Daily wearing of headphones should not only focus on "comfort", but also take into account the three core aspects of hearing protection, device lifespan, and health and hygiene. The following are specific and easy to implement precautions, covering the entire process before, during, and after wearing:1、 Before wearing: do "preparation work" to avoid congenital discomfortChoose the right size/style to reduce pressure from the sourceIn ear headphones: Be sure to try on the included S/M/L three spoke earbuds, and prioritize the size that fits snugly but not tightly - a size that is too small can cause sound leakage and looseness, while a size that is too large can compress the ear canal and cause swelling and pain if worn for a long time; If the ear canal is sensitive, it can be replaced with sponge earplugs (softer and more natural in sealing).Half in ear headphones: Choose a style where the ear handle angle fits snugly into the ear canal (concave inner side of the outer ear), avoiding forcefully pressing the headphones to "tighten" them, otherwise it will rub against the skin of the outer ear, causing redness and pain.Head mounted headphones: Priority should be given to the "ear wrap style" (ear cushions completely covering the ears) rather than the "ear press style" (ear cushions pressed around the ears), and adjust the tension of the headband to "gently fit the top of the head without any clamping sensation" to avoid long-term pressure on the temples and top of the head, resulting in pressure marks or soreness.Clean the headphones to prevent bacterial growthBefore each wearing, use a clean cotton swab dipped in a small amount of alcohol (or a non-alcoholic wet tissue) to wipe the area where the earphones come into contact with the skin:In ear style: Focus on wiping the inner side of the earplug (which is prone to residual ear canal secretions) and the ear stem interface (where sweat can easily accumulate);Head wearing style: Rub the protein skin/mesh on the inside of the earmuffs (hair oil and dandruff are easy to adhere to);Half in ear style: wipe the curved contact surface of the earplug (the oil on the outer ear skin will stick to it).Especially in summer or after exercise, headphones are prone to sweat and can be worn directly without cleaning, which may cause ear canal inflammation or external ear skin allergies.2、 Wearing: Control "duration and volume", core protection for hearingStrictly control the volume and follow the "60-60 principle"This is the key to protecting hearing - the World Health Organization recommends that the volume of headphones should not exceed 60% of the maximum volume of the device, and the continuous wearing time should not exceed 60 minutes each time.Attention should be paid to noisy environments (such as subways and shopping malls): Do not blindly increase the volume just to "cover up the noise". You can switch to headphones with active noise reduction (after noise reduction is turned on, you can hear clearly without high volume), or temporarily remove the headphones to avoid double damage to hearing caused by noise and high volume.Children/teenagers need to be stricter: it is recommended to keep the volume below 50% and wear it for no more than 30 minutes at a time, as their hearing system is still developing and they are more sensitive to noise.Avoid "prolonged continuous wear" and give the ear canal "breathable time"Even if the volume is moderate, wearing headphones for a long time can cause the ear canal to "close":In ear headphones: A sealed ear canal environment can prevent sweat and heat from escaping, which can easily breed bacteria. It is recommended to take off the headphones every 40-50 minutes to ventilate the ear canal for 5-10 minutes, while also moving the auricle to relieve muscle tension in the ear canal.Head mounted headphones: Wearing them for a long time (more than 2 hours) can make the skin around the ears feel hot and humid, especially in summer when they are prone to sweating, which may cause mold on the inside of the earmuffs. It is recommended to remove the headphones every 1.5 hours, wipe off the sweat on the earmuffs, and let the skin breathe.Not worn in special situations to avoid safety hazards and equipment damageScenarios where headphones are absolutely not worn: When crossing the road, riding a bicycle/electric bike, or driving a vehicle, the sound of headphones can mask the honking and footsteps of the outside world, causing distraction and increasing the risk of traffic accidents; It is also not recommended to wear it while sleeping (especially in ear style). When turning over, it may crush the headphones or cause the earplugs to fall out of the ear canal, which can also affect nighttime ventilation of the ear canal.Scenarios for cautious wearing: When exercising, it is recommended to choose headphones with a waterproof rating of IPX4 or above to avoid sweat seeping into the device's interior (damaging the circuit); Be sure to remove headphones when taking a shower or washing your hair, as moisture can corrode the headphone components and shorten their lifespan.3、 After wearing: do a good job of "storage and maintenance" to extend the lifespan of the equipmentProper storage to avoid physical damageIn ear/semi in ear: Do not knead it into a ball and stuff it into your pocket (which can easily break the wire or crush the earphone shell). It is recommended to use a portable storage box (with wire winding function) or gently wrap it around your fingers (wire winding diameter not less than 5 centimeters to avoid wire creases and breakage).Head mounted style: When storing, first loosen the headband to avoid it being in a tight state for a long time (causing a decrease in elasticity). If there is a storage bag, make sure that the earmuffs are facing up and do not squeeze them (especially protein skin earmuffs, which are prone to deformation and cracking if squeezed for a long time).Timely cleaning to prevent dirt accumulationAfter wearing, it should be cleaned immediately to avoid long-term adhesion of dirt:In ear style: If the earbuds are stained with ear canal secretions (white or yellow dirt), they can be removed and cleaned separately (silicone earbuds can be washed with water, dried, and then reinstalled). Use a toothpick wrapped in a cotton swab to gently clean the dust from the gaps in the earphone body.Head mounted style: If the earmuffs are detachable, regularly remove them and gently wipe them with clean water (protein skin earmuffs cannot be washed with water and can only be wiped with a dry cloth). If the sponge pad on the inside of the headband is stained with hair oil, use an alcohol swab to gently wipe it to avoid oil penetration and sponge aging.Avoid 'violent operations' and reduce human damageWhen removing headphones: Do not directly pull the ear handle when in ear, as it may cause the earbuds to detach from the body. Instead, gently pinch the earbuds and pull them out; Do not "pry open" the earmuffs from the side when wearing on the head. Instead, loosen the headband first and remove it vertically from the top of the head.When connecting devices: The wired headphone jack should be plugged in and out vertically, without shaking left or right (to avoid damaging the device interface or headphone plug); When charging wireless earphones, do not press the charging case interface hard, make sure the charging cable/charging compartment is in good contact, and avoid forced insertion and removal.4、 Special populations: Additional precautionsIndividuals with sensitive/inflamed ear canals: Prioritize semi in ear or head mounted headphones (not in contact with the inside of the ear canal), clean the ear canal 1-2 times a week with physiological saline, and avoid long-term contact between headphones and ear canal secretions; If there is itching or pain in the ear canal after wearing the in ear style, stop using it immediately and seek medical attention promptly.Children: Try to choose children's specific headphones (with volume limit locking function and softer material), and parents should supervise the wearing time to avoid children forgetting to remove the headphones due to "addiction to content" and causing hearing damage..EditContent ul{margin-left: -.4rem;padding-inline-start: .4rem;}.EditContent ul ul{margin-left:0;}
09-11Knowledge
The performance differences between wired earphones and wireless earphones (taking mainstream Bluetooth earphones as an example) are mainly reflected in four dimensions: signal transmission, upper limit of sound quality, battery life and stability, and functional adaptation. These differences directly determine the user experience in different scenarios. The specific differences are as follows:1、 Signal transmission: the essential difference between "physical connection" and "wireless transmission"This is the root cause of the performance difference between the two, directly affecting latency, stability, and sound quality loss:Wired earphones: Connected to devices through physical interfaces such as 3.5mm audio cables and Type-C (digital audio), the signal transmission is "lossless direct transmission" - the audio signal is directly transmitted from the device end to the earphone sound unit through wires without any compression or interference, theoretically "zero delay" and "zero loss".For example, when using wired headphones to connect to a computer to play games or edit videos, the picture and sound can be completely synchronized; Monitoring grade wired headphones (such as those used for professional recording) also rely on this lossless transmission to ensure the most authentic audio details are heard.Wireless earphones: rely on wireless technologies such as Bluetooth to transmit signals, and the signal needs to go through four steps: "device encoding → wireless transmission → earphone decoding → driver unit". There are two performance losses in the process:Delay: Encoding and transmission require time, and the delay of ordinary Bluetooth earphones is usually between 80-200ms (the human ear can perceive a delay threshold of about 50ms). Even in low latency modes (such as "game mode"), the delay is mostly between 30-60ms, making it impossible to achieve "zero delay" of wired earphones;Compression loss: Most Bluetooth earphones default to SBC encoding (with a transmission rate of approximately 328kbps), which compresses audio data and causes loss of details; Although there are high-definition encodings such as LDAC and aptX HD (with a maximum speed of 990kbps), bidirectional support between the device and headphones is still required, and the transmission process is susceptible to interference from WiFi, mobile phone signals, etc., resulting in brief lag or sound quality fluctuations.2、 Upper limit of sound quality: Wired headphones make it easier to achieve "lossless sound quality"The difference in sound quality between the two is not necessarily "wireless", but wired headphones have inherent advantages in "sound quality limit" and "stability":Wired earphones:No encoding restrictions: No need to rely on Bluetooth encoding, can directly transmit lossless audio files (such as FLAC, WAV formats, bitrate can reach 1000kbps or more), especially Type-C digital wired headphones, can directly decode high-definition audio signals, avoiding compression loss in wireless transmission;More stable power supply: Powered through the device interface, there is no need to worry about the impact of battery life on sound quality (some wireless earphones may reduce sound quality to save power when the battery is low), and it can support higher power sound units (such as the 50mm large dynamic coil of wired headphones, which does not need to consider battery life and can fully utilize unit performance);Professional scenario adaptation: Studio monitoring and Hi Fi high-end headphones are almost all wired designs, such as Sennheiser HD600, Iron Triangle M50x, etc. The core reason is that wired transmission can ensure the "original flavor" of audio signals, meeting the needs of professional listening experience.Wireless headset:Due to encoding and power consumption limitations: Even if high-definition encoding such as LDAC is supported, the actual transmission rate is still limited by Bluetooth bandwidth (the theoretical bandwidth of Bluetooth 5.3 is about 2Mbps, and the actual available bandwidth is even lower), which cannot fully achieve the lossless level of wired transmission; In order to balance battery life, the power of the sound unit of wireless earphones is usually small (usually 6-12mm dynamic coil for in ear type), and the high-frequency resolution and low-frequency diving depth are difficult to compare with wired earphones of the same price;Tuning leans more towards "convenient listening experience": Most wireless headphones are designed to adapt to daily scenarios (such as commuting, sports), deliberately enhancing low frequencies and vocals, sacrificing some high frequency details, and the sound quality style is more "popular" rather than "precise reproduction";The impact of active noise reduction on sound quality: Wireless headphones with active noise reduction function may slightly interfere with audio signals when the noise reduction module is working, resulting in some details being blurred (especially for low-priced wireless headphones, the balance between noise reduction and sound quality is poor).3、 Range and stability: 'No need to charge' vs' battery dependent 'This is the most obvious performance weakness of wireless earphones, and also one of the core advantages of wired earphones:Wired earphones:Zero battery life anxiety: No need for batteries, as long as the device has battery power and the interface is normal, it can be used at any time without the problem of "sudden power failure", suitable for long-term continuous use (such as listening to online courses or working for several hours);Absolute stability of connection: The physical wire connection is not affected by external signal interference, and there is no problem of "disconnection or lagging" - for example, in environments with dense WiFi/Bluetooth signals such as subways and shopping malls, wired headphones can always maintain stable playback, while wireless headphones may experience frequent disconnections.Wireless headset:Dependent on battery life: In ear wireless earphones typically have a single battery life of 4-8 hours and need to be frequently returned to the charging case for recharging; Although the single battery life of wireless headphones is long (15-30 hours), they still need to be charged regularly. When the battery is low, problems such as decreased sound quality and ineffective noise reduction may occur;Stability is affected by the environment: Bluetooth signals are easily obstructed by metal (such as elevators and subway cars) and interfered by other wireless devices (such as routers and other Bluetooth devices), resulting in playback lag and disconnection, especially in environments with complex signals, where stability is significantly inferior to wired earphones;Long term battery loss: The built-in battery of wireless earphones has a charge discharge cycle life (usually 300-500 cycles before the capacity decreases), and there may be a significant reduction in battery life after 2-3 years of use, while wired earphones have no battery loss and a longer service life.4、 Function adaptation: "Focus on audio" vs "Scene based function"The functional design directions of the two are significantly different, with wired headphones focusing more on "audio itself" and wireless headphones focusing more on "scene based convenient functions":Wired earphones:The functions are relatively single, with the core centered around "audio transmission" - some wired headphones come with a remote control (to adjust volume, switch songs, and make calls), but lack complex features such as active noise reduction, spatial audio, and multi device connectivity; The advantage is a low rate of functional failures (the probability of damage to the remote control is much lower than that of the Bluetooth module and noise reduction module of wireless earphones), and there is no need to learn operational logic, making it easy to use.Wireless headset:More diverse functions, with "improving convenience" as the core, common functions include:Active noise reduction: collects external noise through a microphone, generates reverse sound waves to cancel out noise, suitable for noisy scenes such as commuting and office work;Multi device connection: can simultaneously connect to both mobile phones and computers, achieving seamless switching (such as automatic switching from mobile phone calls to headphones when working on a computer);Intelligent interaction: touch control (switch songs, wake up voice assistant), light sensing start stop (pause playback after removing headphones), spatial audio (simulate surround sound, enhance viewing immersion);Call noise reduction: using ENC (Environmental Noise Reduction) technology to reduce background noise and improve call clarity;But these features also increase performance burden - for example, active noise reduction consumes more power, multiple device connections may cause occasional signal conflicts, and the more features there are, the higher the probability of failure..EditContent ul{margin-left: -.4rem;padding-inline-start: .4rem;}.EditContent ul ul{margin-left:0;}
09-11Knowledge
Head mounted and in ear headphones are two types of headphones with significant differences in design and experience. The core differences are reflected in multiple dimensions such as wearing style, sound quality performance, applicable scenarios, and comfort. When choosing, it is necessary to match one's own needs. The following is a detailed comparative analysis:1、 Core design and wearing logic: completely different 'fixing methods'Head mounted headphones: fixed through a "headband+earmuffs", covering the outer side of the head as a whole - the earmuffs will wrap around (ear wrap) or press against (ear press) the outer ear, and the headband can adapt to different head circumferences through elastic adjustment. When worn, the weight is dispersed around the head and ears; No need to touch the inside of the ear canal, it belongs to the "external wearing" design.In ear headphones: relying on the fitting and fixation of "earplugs+ear canal", silicone/sponge earplugs need to be inserted into the ear canal 1-2 centimeters, and fixed by the seal between the earplugs and the ear canal wall, with the ear stem (or body) hanging outside the ear; Directly touching the inside of the ear canal, it belongs to the "in ear" design, and some models will add ear wings/shark fins to further tighten the outer ear contour and prevent falling.2、 Sound quality performance: differences in sound field, details, and sound insulationThe sound quality experience of the two is significantly different due to the difference in "acoustic structure", and there is no absolute "superiority or inferiority", only "style adaptation":Headset:The advantage lies in a wider sound field and more balanced three frequencies - the earmuffs can form independent "acoustic chambers", large-sized dynamic coil units (usually over 40mm, some high-end models up to 50mm) have more ample vibration space, low-frequency diving is deeper and more elastic, high-frequency transparency is not harsh, and mid frequency vocals naturally stick to the ear, suitable for listening to classical music, rock music, film and television soundtracks and other content that requires a "sense of space";Partial head mounted designs support open design (without strict sealing), resulting in a more natural and non stuffy sound, but poor sound insulation; Closed design provides better sound insulation and is suitable for noisy environments.In ear headphones:The advantage lies in its strong analytical power and ultimate sound insulation - after sealing the ear canal, the earplugs can reduce external interference (passive sound insulation effect is generally better than ordinary head mounted), allowing users to capture music details more clearly (such as instrument overtones and vocal ventilation sounds); But the sound field is relatively narrow, and the three frequencies are easily affected by the size of the earplugs (mismatched sizes can cause low-frequency leakage and high-frequency harshness), making it more suitable for listening to "close range listening" content such as pop music, vocals, podcasts, etc;Some high-end in ear models adopt a multi unit design (dynamic coil+dynamic iron combination), which can further optimize the separation of three frequencies, but the overall spatial sense is still difficult to match that of head mounted models.3、 Applicable scenarios: Significant differences in scenario adaptationHead mounted headphones: more suitable for "fixed/low mobility scenarios"Home audio and video: With strong ear cushions and the advantage of large unit sound quality, it provides a stronger immersive experience when watching movies or playing games;Desktop office: Most head mounted devices support both wired and wireless modes, with longer battery life (generally 15-30 hours per use), suitable for long-term computer connection;Quiet environment for listening: Open style head mounted for use in study rooms and bedrooms, not stuffy and does not affect others, suitable for long-term music appreciation.Disadvantages: Large size, poor portability, not suitable for sports (heavy weight, prone to sweating and stuffiness), commuting (occupying backpack space, easily knocked off when squeezing on the subway).In ear headphones: more suitable for "mobile/high dynamic scenes"Sports and fitness: small in size and light in weight (usually 3-8g per ear), paired with waterproof and sweat resistant (mostly IPX4 or above) and ear wing design, it is not easy to fall off during intense exercise, and sweat will not affect use;Commuting/Travel: Extremely portable, can easily fit into a pocket, passive sound insulation+active noise reduction (some models) can isolate the noise of subways and buses, suitable for fragmented listening;Daily outings: Not covering the hairstyle, easy to remove when communicating with people, suitable for use at any time.Disadvantage: Wearing it for a long time can make the ear canal stuffy and not suitable for long-term home audio and video (insufficient sound field).4、 Comfort: The difference between "compression position" and "endurance time"The core difference in comfort lies in the "compression point" and "wearing duration tolerance", which vary from person to person (ear canal size and head circumference can both affect):Headset:The key to comfort lies in "headband pressure" and "earmuff material"——Advantages: No contact with the ear canal, no ear canal swelling or pain, suitable for long-term wearing (1-3 hours); Ear wraps (made of protein skin and memory foam material) are more comfortable than compression earmuffs and can avoid skin pressure around the ears;Disadvantage: People with small head circumference may feel that the headband is too tight (clamp), while people with large head circumference may feel that the earmuffs are not fully covered; The weight is generally heavy (150-300g), and there may be pressure marks on the top of the head after long-term wear.In ear headphones:The key to comfort lies in the size and material of the earplugs——Advantages: Lightweight (usually less than 10g per ear), no head pressure, and almost no burden for short-term wear (within 1 hour);Disadvantage: Earplugs need to be inserted into the ear canal, and an inappropriate size (too large/too small) can cause ear canal swelling, pain, and itching; The sealed design makes the ear canal stuffy, and wearing it for a long time (more than 1.5 hours) can easily breed bacteria and even cause ear canal inflammation; People with sensitive ear canals may find it difficult to adapt..EditContent ul{margin-left: -.4rem;padding-inline-start: .4rem;}.EditContent ul ul{margin-left:0;}
09-11Knowledge
1. Clearly define the usage scenarioCommuting/Business Travel: It is recommended to choose headphones with strong active noise reduction function, noise reduction depth ≥ 35dB, and support multi-mode switching, such as transparent mode, anti wind noise, etc., for easy use in different environments, such as in ear or head mounted noise reduction headphones.Sports and fitness: It is necessary to choose headphones with a waterproof and sweat proof rating of IPX4 or above, and wear them firmly. You can choose in ear headphones with ear hooks and shark fin designs or semi in ear headphones with ear hooks. At the same time, pay attention to the battery life, and it is best to have a single battery life of ≥ 6 hours.Audio and video entertainment: Focus on sound quality performance, choose headphones with a wide frequency response range and support for lossless encoding such as aptX Lossless. In addition, low latency technology is also important, as a latency of less than 80ms can bring a better audio-visual experience. Headphones usually have advantages in sound quality and sound field.Business office: Choose headphones that support dual device connection and ENC call noise reduction to ensure clear calls, and intelligent interactive functions such as light sensing start stop can also enhance user convenience.2. Pay attention to sound quality performanceVoice unit: Generally speaking, large-sized dynamic coil units have better sound quality, such as dynamic coil units above 40mm, which will have fuller low frequencies; In terms of diaphragm material, high-end materials such as diamond plated crystal diaphragms are superior to ordinary PET materials, with higher frequency transparency.Audio decoding: Android users prefer headphones that support LDAC/aptX HD, while Apple users prefer AAC encoding. If pursuing lossless sound quality, they need to choose headphones that support aptX Lossless.Tuning technology: The brand's self-developed acoustic solution can optimize the three frequency balance, making the sound clearer and more natural, avoiding the feeling of "dullness".3. Consider wearing comfortIn ear style: A single ear weight of less than 5g is more comfortable, and attention should be paid to the material and size of the earplugs. Silicone covers usually come in S, M, and L sizes, and you should choose the size that suits your ear canal to avoid discomfort caused by prolonged wear and compression of the ear canal.Half in ear style: The key is that the angle of the earphone "ear handle" should be in line with the ear canal. When wearing, do not press hard, find a natural support feeling, and avoid pain caused by external ear skin compression.Head mounted: The earmuffs are made of soft materials such as protein skin and memory cotton. The pressure distribution on the headband should be uniform, and the weight should be controlled within 300g. At the same time, the adjustment range of the headband should be large enough to adapt to different head circumferences.4. View technical specificationsBluetooth version: It is recommended to choose Bluetooth 5.3/5.4 version headphones, which have stronger anti-interference ability and lower latency, especially suitable for gaming scenarios.Chip solution: Different chip solutions can affect the performance of headphones. For example, the Qualcomm QCC series supports high-definition transmission, while the ADI solution performs well in noise reduction.Battery life: When the noise reduction is turned on, the single battery life is ≥ 4 hours, and when combined with the charging case, the total battery life is>20 hours. It also supports fast charging function, such as 2 hours of use after 10 minutes of charging, which can meet daily usage needs.5. Consider additional featuresIntelligent interaction: Some headphones have optical detection function, which can pause playback by removing the headphones. Others can customize EQ, noise reduction curve, etc. through the APP, making it convenient for users to set according to their preferences.Scalability: The multi device switching function allows headphones to quickly switch between various devices such as mobile phones and computers, while the spatial audio function provides a more immersive auditory experience. The reverse charging function can provide emergency charging for other devices.6. Determine budget and brandBudget: The price of headphones varies greatly, ranging from tens to thousands of yuan. After setting the budget, choose products with high cost-effectiveness, that is, headphones that can provide the best sound quality, comfort, and functionality within the budget range. Generally speaking, headphones priced between 300-800 yuan have a relatively high cost performance ratio.Brand: Well known brands usually invest more in research and development and production, ensuring better product quality, after-sales service, and user experience, such as Sony, Bose, Sennheiser, etc. However, there are cost-effective products at different price points that can be comprehensively compared and selected.
09-11Knowledge
Daily wearing of headphones should not only focus on "comfort", but also take into account the three core aspects of hearing protection, device lifespan, and health and hygiene. The following are specific and easy to implement precautions, covering the entire process before, during, and after wearing:1、 Before wearing: do "preparation work" to avoid congenital discomfortChoose the right size/style to reduce pressure from the sourceIn ear headphones: Be sure to try on the included S/M/L three spoke earbuds, and prioritize the size that fits snugly but not tightly - a size that is too small can cause sound leakage and looseness, while a size that is too large can compress the ear canal and cause swelling and pain if worn for a long time; If the ear canal is sensitive, it can be replaced with sponge earplugs (softer and more natural in sealing).Half in ear headphones: Choose a style where the ear handle angle fits snugly into the ear canal (concave inner side of the outer ear), avoiding forcefully pressing the headphones to "tighten" them, otherwise it will rub against the skin of the outer ear, causing redness and pain.Head mounted headphones: Priority should be given to the "ear wrap style" (ear cushions completely covering the ears) rather than the "ear press style" (ear cushions pressed around the ears), and adjust the tension of the headband to "gently fit the top of the head without any clamping sensation" to avoid long-term pressure on the temples and top of the head, resulting in pressure marks or soreness.Clean the headphones to prevent bacterial growthBefore each wearing, use a clean cotton swab dipped in a small amount of alcohol (or a non-alcoholic wet tissue) to wipe the area where the earphones come into contact with the skin:In ear style: Focus on wiping the inner side of the earplug (which is prone to residual ear canal secretions) and the ear stem interface (where sweat can easily accumulate);Head wearing style: Rub the protein skin/mesh on the inside of the earmuffs (hair oil and dandruff are easy to adhere to);Half in ear style: wipe the curved contact surface of the earplug (the oil on the outer ear skin will stick to it).Especially in summer or after exercise, headphones are prone to sweat and can be worn directly without cleaning, which may cause ear canal inflammation or external ear skin allergies.2、 Wearing: Control "duration and volume", core protection for hearingStrictly control the volume and follow the "60-60 principle"This is the key to protecting hearing - the World Health Organization recommends that the volume of headphones should not exceed 60% of the maximum volume of the device, and the continuous wearing time should not exceed 60 minutes each time.Attention should be paid to noisy environments (such as subways and shopping malls): Do not blindly increase the volume just to "cover up the noise". You can switch to headphones with active noise reduction (after noise reduction is turned on, you can hear clearly without high volume), or temporarily remove the headphones to avoid double damage to hearing caused by noise and high volume.Children/teenagers need to be stricter: it is recommended to keep the volume below 50% and wear it for no more than 30 minutes at a time, as their hearing system is still developing and they are more sensitive to noise.Avoid "prolonged continuous wear" and give the ear canal "breathable time"Even if the volume is moderate, wearing headphones for a long time can cause the ear canal to "close":In ear headphones: A sealed ear canal environment can prevent sweat and heat from escaping, which can easily breed bacteria. It is recommended to take off the headphones every 40-50 minutes to ventilate the ear canal for 5-10 minutes, while also moving the auricle to relieve muscle tension in the ear canal.Head mounted headphones: Wearing them for a long time (more than 2 hours) can make the skin around the ears feel hot and humid, especially in summer when they are prone to sweating, which may cause mold on the inside of the earmuffs. It is recommended to remove the headphones every 1.5 hours, wipe off the sweat on the earmuffs, and let the skin breathe.Not worn in special situations to avoid safety hazards and equipment damageScenarios where headphones are absolutely not worn: When crossing the road, riding a bicycle/electric bike, or driving a vehicle, the sound of headphones can mask the honking and footsteps of the outside world, causing distraction and increasing the risk of traffic accidents; It is also not recommended to wear it while sleeping (especially in ear style). When turning over, it may crush the headphones or cause the earplugs to fall out of the ear canal, which can also affect nighttime ventilation of the ear canal.Scenarios for cautious wearing: When exercising, it is recommended to choose headphones with a waterproof rating of IPX4 or above to avoid sweat seeping into the device's interior (damaging the circuit); Be sure to remove headphones when taking a shower or washing your hair, as moisture can corrode the headphone components and shorten their lifespan.3、 After wearing: do a good job of "storage and maintenance" to extend the lifespan of the equipmentProper storage to avoid physical damageIn ear/semi in ear: Do not knead it into a ball and stuff it into your pocket (which can easily break the wire or crush the earphone shell). It is recommended to use a portable storage box (with wire winding function) or gently wrap it around your fingers (wire winding diameter not less than 5 centimeters to avoid wire creases and breakage).Head mounted style: When storing, first loosen the headband to avoid it being in a tight state for a long time (causing a decrease in elasticity). If there is a storage bag, make sure that the earmuffs are facing up and do not squeeze them (especially protein skin earmuffs, which are prone to deformation and cracking if squeezed for a long time).Timely cleaning to prevent dirt accumulationAfter wearing, it should be cleaned immediately to avoid long-term adhesion of dirt:In ear style: If the earbuds are stained with ear canal secretions (white or yellow dirt), they can be removed and cleaned separately (silicone earbuds can be washed with water, dried, and then reinstalled). Use a toothpick wrapped in a cotton swab to gently clean the dust from the gaps in the earphone body.Head mounted style: If the earmuffs are detachable, regularly remove them and gently wipe them with clean water (protein skin earmuffs cannot be washed with water and can only be wiped with a dry cloth). If the sponge pad on the inside of the headband is stained with hair oil, use an alcohol swab to gently wipe it to avoid oil penetration and sponge aging.Avoid 'violent operations' and reduce human damageWhen removing headphones: Do not directly pull the ear handle when in ear, as it may cause the earbuds to detach from the body. Instead, gently pinch the earbuds and pull them out; Do not "pry open" the earmuffs from the side when wearing on the head. Instead, loosen the headband first and remove it vertically from the top of the head.When connecting devices: The wired headphone jack should be plugged in and out vertically, without shaking left or right (to avoid damaging the device interface or headphone plug); When charging wireless earphones, do not press the charging case interface hard, make sure the charging cable/charging compartment is in good contact, and avoid forced insertion and removal.4、 Special populations: Additional precautionsIndividuals with sensitive/inflamed ear canals: Prioritize semi in ear or head mounted headphones (not in contact with the inside of the ear canal), clean the ear canal 1-2 times a week with physiological saline, and avoid long-term contact between headphones and ear canal secretions; If there is itching or pain in the ear canal after wearing the in ear style, stop using it immediately and seek medical attention promptly.Children: Try to choose children's specific headphones (with volume limit locking function and softer material), and parents should supervise the wearing time to avoid children forgetting to remove the headphones due to "addiction to content" and causing hearing damage..EditContent ul{margin-left: -.4rem;padding-inline-start: .4rem;}.EditContent ul ul{margin-left:0;}
09-11Knowledge
The performance differences between wired earphones and wireless earphones (taking mainstream Bluetooth earphones as an example) are mainly reflected in four dimensions: signal transmission, upper limit of sound quality, battery life and stability, and functional adaptation. These differences directly determine the user experience in different scenarios. The specific differences are as follows:1、 Signal transmission: the essential difference between "physical connection" and "wireless transmission"This is the root cause of the performance difference between the two, directly affecting latency, stability, and sound quality loss:Wired earphones: Connected to devices through physical interfaces such as 3.5mm audio cables and Type-C (digital audio), the signal transmission is "lossless direct transmission" - the audio signal is directly transmitted from the device end to the earphone sound unit through wires without any compression or interference, theoretically "zero delay" and "zero loss".For example, when using wired headphones to connect to a computer to play games or edit videos, the picture and sound can be completely synchronized; Monitoring grade wired headphones (such as those used for professional recording) also rely on this lossless transmission to ensure the most authentic audio details are heard.Wireless earphones: rely on wireless technologies such as Bluetooth to transmit signals, and the signal needs to go through four steps: "device encoding → wireless transmission → earphone decoding → driver unit". There are two performance losses in the process:Delay: Encoding and transmission require time, and the delay of ordinary Bluetooth earphones is usually between 80-200ms (the human ear can perceive a delay threshold of about 50ms). Even in low latency modes (such as "game mode"), the delay is mostly between 30-60ms, making it impossible to achieve "zero delay" of wired earphones;Compression loss: Most Bluetooth earphones default to SBC encoding (with a transmission rate of approximately 328kbps), which compresses audio data and causes loss of details; Although there are high-definition encodings such as LDAC and aptX HD (with a maximum speed of 990kbps), bidirectional support between the device and headphones is still required, and the transmission process is susceptible to interference from WiFi, mobile phone signals, etc., resulting in brief lag or sound quality fluctuations.2、 Upper limit of sound quality: Wired headphones make it easier to achieve "lossless sound quality"The difference in sound quality between the two is not necessarily "wireless", but wired headphones have inherent advantages in "sound quality limit" and "stability":Wired earphones:No encoding restrictions: No need to rely on Bluetooth encoding, can directly transmit lossless audio files (such as FLAC, WAV formats, bitrate can reach 1000kbps or more), especially Type-C digital wired headphones, can directly decode high-definition audio signals, avoiding compression loss in wireless transmission;More stable power supply: Powered through the device interface, there is no need to worry about the impact of battery life on sound quality (some wireless earphones may reduce sound quality to save power when the battery is low), and it can support higher power sound units (such as the 50mm large dynamic coil of wired headphones, which does not need to consider battery life and can fully utilize unit performance);Professional scenario adaptation: Studio monitoring and Hi Fi high-end headphones are almost all wired designs, such as Sennheiser HD600, Iron Triangle M50x, etc. The core reason is that wired transmission can ensure the "original flavor" of audio signals, meeting the needs of professional listening experience.Wireless headset:Due to encoding and power consumption limitations: Even if high-definition encoding such as LDAC is supported, the actual transmission rate is still limited by Bluetooth bandwidth (the theoretical bandwidth of Bluetooth 5.3 is about 2Mbps, and the actual available bandwidth is even lower), which cannot fully achieve the lossless level of wired transmission; In order to balance battery life, the power of the sound unit of wireless earphones is usually small (usually 6-12mm dynamic coil for in ear type), and the high-frequency resolution and low-frequency diving depth are difficult to compare with wired earphones of the same price;Tuning leans more towards "convenient listening experience": Most wireless headphones are designed to adapt to daily scenarios (such as commuting, sports), deliberately enhancing low frequencies and vocals, sacrificing some high frequency details, and the sound quality style is more "popular" rather than "precise reproduction";The impact of active noise reduction on sound quality: Wireless headphones with active noise reduction function may slightly interfere with audio signals when the noise reduction module is working, resulting in some details being blurred (especially for low-priced wireless headphones, the balance between noise reduction and sound quality is poor).3、 Range and stability: 'No need to charge' vs' battery dependent 'This is the most obvious performance weakness of wireless earphones, and also one of the core advantages of wired earphones:Wired earphones:Zero battery life anxiety: No need for batteries, as long as the device has battery power and the interface is normal, it can be used at any time without the problem of "sudden power failure", suitable for long-term continuous use (such as listening to online courses or working for several hours);Absolute stability of connection: The physical wire connection is not affected by external signal interference, and there is no problem of "disconnection or lagging" - for example, in environments with dense WiFi/Bluetooth signals such as subways and shopping malls, wired headphones can always maintain stable playback, while wireless headphones may experience frequent disconnections.Wireless headset:Dependent on battery life: In ear wireless earphones typically have a single battery life of 4-8 hours and need to be frequently returned to the charging case for recharging; Although the single battery life of wireless headphones is long (15-30 hours), they still need to be charged regularly. When the battery is low, problems such as decreased sound quality and ineffective noise reduction may occur;Stability is affected by the environment: Bluetooth signals are easily obstructed by metal (such as elevators and subway cars) and interfered by other wireless devices (such as routers and other Bluetooth devices), resulting in playback lag and disconnection, especially in environments with complex signals, where stability is significantly inferior to wired earphones;Long term battery loss: The built-in battery of wireless earphones has a charge discharge cycle life (usually 300-500 cycles before the capacity decreases), and there may be a significant reduction in battery life after 2-3 years of use, while wired earphones have no battery loss and a longer service life.4、 Function adaptation: "Focus on audio" vs "Scene based function"The functional design directions of the two are significantly different, with wired headphones focusing more on "audio itself" and wireless headphones focusing more on "scene based convenient functions":Wired earphones:The functions are relatively single, with the core centered around "audio transmission" - some wired headphones come with a remote control (to adjust volume, switch songs, and make calls), but lack complex features such as active noise reduction, spatial audio, and multi device connectivity; The advantage is a low rate of functional failures (the probability of damage to the remote control is much lower than that of the Bluetooth module and noise reduction module of wireless earphones), and there is no need to learn operational logic, making it easy to use.Wireless headset:More diverse functions, with "improving convenience" as the core, common functions include:Active noise reduction: collects external noise through a microphone, generates reverse sound waves to cancel out noise, suitable for noisy scenes such as commuting and office work;Multi device connection: can simultaneously connect to both mobile phones and computers, achieving seamless switching (such as automatic switching from mobile phone calls to headphones when working on a computer);Intelligent interaction: touch control (switch songs, wake up voice assistant), light sensing start stop (pause playback after removing headphones), spatial audio (simulate surround sound, enhance viewing immersion);Call noise reduction: using ENC (Environmental Noise Reduction) technology to reduce background noise and improve call clarity;But these features also increase performance burden - for example, active noise reduction consumes more power, multiple device connections may cause occasional signal conflicts, and the more features there are, the higher the probability of failure..EditContent ul{margin-left: -.4rem;padding-inline-start: .4rem;}.EditContent ul ul{margin-left:0;}
09-11Knowledge
Head mounted and in ear headphones are two types of headphones with significant differences in design and experience. The core differences are reflected in multiple dimensions such as wearing style, sound quality performance, applicable scenarios, and comfort. When choosing, it is necessary to match one's own needs. The following is a detailed comparative analysis:1、 Core design and wearing logic: completely different 'fixing methods'Head mounted headphones: fixed through a "headband+earmuffs", covering the outer side of the head as a whole - the earmuffs will wrap around (ear wrap) or press against (ear press) the outer ear, and the headband can adapt to different head circumferences through elastic adjustment. When worn, the weight is dispersed around the head and ears; No need to touch the inside of the ear canal, it belongs to the "external wearing" design.In ear headphones: relying on the fitting and fixation of "earplugs+ear canal", silicone/sponge earplugs need to be inserted into the ear canal 1-2 centimeters, and fixed by the seal between the earplugs and the ear canal wall, with the ear stem (or body) hanging outside the ear; Directly touching the inside of the ear canal, it belongs to the "in ear" design, and some models will add ear wings/shark fins to further tighten the outer ear contour and prevent falling.2、 Sound quality performance: differences in sound field, details, and sound insulationThe sound quality experience of the two is significantly different due to the difference in "acoustic structure", and there is no absolute "superiority or inferiority", only "style adaptation":Headset:The advantage lies in a wider sound field and more balanced three frequencies - the earmuffs can form independent "acoustic chambers", large-sized dynamic coil units (usually over 40mm, some high-end models up to 50mm) have more ample vibration space, low-frequency diving is deeper and more elastic, high-frequency transparency is not harsh, and mid frequency vocals naturally stick to the ear, suitable for listening to classical music, rock music, film and television soundtracks and other content that requires a "sense of space";Partial head mounted designs support open design (without strict sealing), resulting in a more natural and non stuffy sound, but poor sound insulation; Closed design provides better sound insulation and is suitable for noisy environments.In ear headphones:The advantage lies in its strong analytical power and ultimate sound insulation - after sealing the ear canal, the earplugs can reduce external interference (passive sound insulation effect is generally better than ordinary head mounted), allowing users to capture music details more clearly (such as instrument overtones and vocal ventilation sounds); But the sound field is relatively narrow, and the three frequencies are easily affected by the size of the earplugs (mismatched sizes can cause low-frequency leakage and high-frequency harshness), making it more suitable for listening to "close range listening" content such as pop music, vocals, podcasts, etc;Some high-end in ear models adopt a multi unit design (dynamic coil+dynamic iron combination), which can further optimize the separation of three frequencies, but the overall spatial sense is still difficult to match that of head mounted models.3、 Applicable scenarios: Significant differences in scenario adaptationHead mounted headphones: more suitable for "fixed/low mobility scenarios"Home audio and video: With strong ear cushions and the advantage of large unit sound quality, it provides a stronger immersive experience when watching movies or playing games;Desktop office: Most head mounted devices support both wired and wireless modes, with longer battery life (generally 15-30 hours per use), suitable for long-term computer connection;Quiet environment for listening: Open style head mounted for use in study rooms and bedrooms, not stuffy and does not affect others, suitable for long-term music appreciation.Disadvantages: Large size, poor portability, not suitable for sports (heavy weight, prone to sweating and stuffiness), commuting (occupying backpack space, easily knocked off when squeezing on the subway).In ear headphones: more suitable for "mobile/high dynamic scenes"Sports and fitness: small in size and light in weight (usually 3-8g per ear), paired with waterproof and sweat resistant (mostly IPX4 or above) and ear wing design, it is not easy to fall off during intense exercise, and sweat will not affect use;Commuting/Travel: Extremely portable, can easily fit into a pocket, passive sound insulation+active noise reduction (some models) can isolate the noise of subways and buses, suitable for fragmented listening;Daily outings: Not covering the hairstyle, easy to remove when communicating with people, suitable for use at any time.Disadvantage: Wearing it for a long time can make the ear canal stuffy and not suitable for long-term home audio and video (insufficient sound field).4、 Comfort: The difference between "compression position" and "endurance time"The core difference in comfort lies in the "compression point" and "wearing duration tolerance", which vary from person to person (ear canal size and head circumference can both affect):Headset:The key to comfort lies in "headband pressure" and "earmuff material"——Advantages: No contact with the ear canal, no ear canal swelling or pain, suitable for long-term wearing (1-3 hours); Ear wraps (made of protein skin and memory foam material) are more comfortable than compression earmuffs and can avoid skin pressure around the ears;Disadvantage: People with small head circumference may feel that the headband is too tight (clamp), while people with large head circumference may feel that the earmuffs are not fully covered; The weight is generally heavy (150-300g), and there may be pressure marks on the top of the head after long-term wear.In ear headphones:The key to comfort lies in the size and material of the earplugs——Advantages: Lightweight (usually less than 10g per ear), no head pressure, and almost no burden for short-term wear (within 1 hour);Disadvantage: Earplugs need to be inserted into the ear canal, and an inappropriate size (too large/too small) can cause ear canal swelling, pain, and itching; The sealed design makes the ear canal stuffy, and wearing it for a long time (more than 1.5 hours) can easily breed bacteria and even cause ear canal inflammation; People with sensitive ear canals may find it difficult to adapt..EditContent ul{margin-left: -.4rem;padding-inline-start: .4rem;}.EditContent ul ul{margin-left:0;}
09-11Knowledge
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