Headset

The comfort of the earphone is also very important. If there are other activities when using the earphone, you should also consider it. A pair of earphones should not be too tight or too loose, and should be worn for a long time. The adjustability of the headband and the unit can ensure the use of different head shapes and different purposes. Professional audio personnel sometimes need a single unit to monitor, and the unit needs to be able to rotate. In addition, the length of the cable and the way of entering the unit also affect the use. A factor. When adjusting the length of the headband, pay attention: the headband is short, the pressure on the top of the head is high, and the pressure on the head of the earmuffs is small. The opposite is the case when the headband is long. The three-point pressure is the most comfortable. For the adaptive head This problem does not exist anymore. There are also some over-ear headphones with a pentagonal design, which can fit the human ear more and is more comfortable to wear.

Wireless Bluetooth Headphones with Noise Cancelling Over-Ear Stereo Earphones

Skullcandy GRIND WIRELESS Wireless Bluetooth Subwoofer Headset

Support BT 4.1, 10m wireless connection
Up to 12 hours of battery life
Intelligent noise reduction to maintain perfect sound
Anti-sweat, volume control, voice prompt
Comfortable and soft earplugs
Suitable for running, walking, games and other sports
Usage mode: head-mounted
Bluetooth version: 4.1
Transmission range: 10 meters
Bluetooth protocol: A2DP, AVRCP, HFP, HSP
Bluetooth mode: AV, hands-free, headset
Battery capacity (mAh): 260mAh
Package weight: 0.488 kg
Packing size (length x width x height): 20.90 x 9.20 x 24.50 cm / 8.23 x 3.62 x 9.65 inches
Packing list: 1 x earphone, 1 x USB charging cable, 1 x 3.5mm AUX cable, 1 x English manual

Due to the different uses of earphones, the types of earphones are gradually enriched. The types of earphones can be roughly divided into open, closed and semi-open.
Open earphones generally have a natural sense of hearing and are comfortable to wear. The comfort mentioned here is that there is no sultry feeling and are commonly used in HIFI earphones that are appreciated at home. The sound can leak out, and vice versa, the outside sound can also be heard, and the earphones have less pressure on the ears.
There are no strict regulations for semi-open earphones. The sound can only come in but not out or only out but not in. Design adjustments can be made according to the needs of use.
The earmuffs of the enclosed earphones adopt a fully enclosed structure, which can prevent outside sound from entering, which has a greater sense of pressure on the ears and accurate sound positioning. This structure is often used in the field of professional monitoring. There are also some closed earphones that have the sound field of an open earphone, which keeps high-quality sound while isolating noise

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i9X TWS Business Bluetooth Earphone Wireless Stereo Binaural Sports Earbuds with Charging Dock and Mic

Main Features:
● Equipped with the Bluetooth 5.0 technology, it achieves low power consumption and has wider coverage
● Binaural talk, intelligent noise reduction
● Lossless noise reduction, HiFi shocks sound
● Ergonomic design, comfortable and non-sense
● Exquisite and compact, close-fitting and portable
● Support answering / hanging / rejecting calls, low battery reminder, last number replay, voice report, low power off, Chinese and English switching
● The battery capacity is 65mAh, and the charging dock battery capacity is 400mAh
Function: Answering Phone,Bluetooth,Microphone,Noise Cancelling,Song Switching,Sweatproof,Voice Prompt,Volume Control,Waterproof
Material: ABS,Metal
Model: i9X
Type: In-Ear
Wearing type: In-Ear
Application: Sport,Working
Compatible with: iPhone,Mobile phone
Connectivity: Wireless
Music Time: 6-7H
Standby time: 100H
Talk time: 6-7H
Bluetooth: Yes
Bluetooth distance: W/O obstacles 10m
Bluetooth protocol: A2DP, AVRCP, HFP, HSP
Bluetooth Version: V5.0
Battery Capacity(mAh): 65mAh Li-ion Battery
Battery Type: Built-in
Package size (L x W x H): 8.10 x 8.10 x 3.50 cm / 3.19 x 3.19 x 1.38 inches
Package weight: 0.149 kg
Product size (L x W x H): 4.20 x 1.80 x 0.59 cm / 1.65 x 0.71 x 0.23 inches
Product weight: 0.120 kg
Package Contents: 1 x Pair of Earphones, 1 x USB Cable, 1 x Chinese / English User Manual, 3 x Pair of Eartips, 1 x 400mAh Charging Dock

There are some ways to evaluate speakers for earphones, but the sense of hearing of earphones is different from that of speakers. The sound waves emitted by speakers are attenuated and interfered in the air, interacting with human heads and ears, and the sound of earphones directly enters the ears. .

The comfort of the earphone is also very important. If there are other activities when using the earphone, you should also consider it. A pair of earphones should not be too tight or too loose, and should be worn for a long time. The adjustability of the headband and the unit can ensure the use of different head shapes and different purposes. Professional audio personnel sometimes need a single unit to monitor, and the unit needs to be able to rotate. In addition, the length of the cable and the way of entering the unit also affect the use. A factor. When adjusting the length of the headband, pay attention: the headband is short, the pressure on the top of the head is high, and the pressure on the head of the earmuffs is small. The opposite is the case when the headband is long. The three-point pressure is the most comfortable. For the adaptive head This problem does not exist anymore. There are also some over-ear headphones with a pentagonal design, which can fit the human ear more and is more comfortable to wear.

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Skullcandy GRIND WIRELESS Wireless Bluetooth Subwoofer Headset

Main Features
● Support BT 4.1, 10m wireless connection
● Up to 12 hours time of endurance
● Intelligent noise reduction to keep perfect sound effect
● Sweat resistant, volume control, voice prompt
● Comfortable and soft earplugs
● Suitable for running, walking, gaming and other sports with it
Usage mode: Head-mounted
Bluetooth Version: 4.1
Transmission range: 10 meters
Bluetooth protocol: A2DP,AVRCP,HFP,HSP
Bluetooth mode: AV,Hands free,Headset
Battery Capacity (mAh): 260mAh
Package weight: 0.488 kg
Package size (L x W x H): 20.90 x 9.20 x 24.50 cm / 8.23 x 3.62 x 9.65 inches
Package Contents: 1 x Headphone, 1 x USB Charging Cable, 1 x 3.5mm AUX Wire, 1 x English Manual

There are some ways to evaluate speakers for earphones, but the sense of hearing of earphones is different from that of speakers. The sound waves emitted by speakers are attenuated and interfered in the air, interacting with human heads and ears, and the sound of earphones directly enters the ears. .
The sound quality of a headset is more important than its technical performance. Because the shape of the head and ears are different, a pair of headsets will have different hearing feelings for different people, so the recommendation can only be used as a reference. If you have the opportunity, you must listen in person Only then can you really feel the sound of the headset.

The comfort of the earphone is also very important. If there are other activities when using the earphone, you should also consider it. A pair of earphones should not be too tight or too loose, and should be worn for a long time. The adjustability of the headband and the unit can ensure the use of different head shapes and different purposes. The unit needs to be able to rotate. In addition, the length of the line and the way of entering the line are also a factor that affects the use. When adjusting the length of the headband, pay attention: the headband is short, the pressure on the top of the head is high, and the pressure on the head of the earmuffs is small. The opposite is the case when the headband is long. The three-point pressure is the most comfortable. For the adaptive head This problem does not exist anymore. There are also some over-ear headphones with a pentagonal design, which can fit the human ear more and is more comfortable to wear.

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Skullcandy INKD 2.0 Wireless Neck Hanging Bluetooth Headset

Main Features
• Bluetooth version V4.1
• Transmission distance 10 meters
• Life time 8 hours
• Headphone material: ABS+ silicone earplugs
• Impedance: 16Ω
• Sensitivity: 93dB/mW
• Headphone sound principle: moving coil
• With or without microphone: with wheat
• Multifunctional waterproof MIC
• Drive unit diameter 9mm
• Sound pressure level: 95-101dB
• Battery capacity 150mAh
Usage mode: Earphone
Bluetooth Version: 4.1
Transmission range: 10 meters
Bluetooth protocol: A2DP, AVRCP, HFP, HSP
Battery Capacity (mAh): 150mAh
Package weight: 0.122 kg
Package size (L x W x H): 18.50 x 8.30 x 2.40 cm / 7.28 x 3.27 x 0.94 inches
Package Contents: 1 x Headset, 1 x Pair of Silicone Earplugs (medium and small), 1 x USB Charging Cable, 1 x English Manual

Headphones are a symbol of human portable audio. There are two standards for mobile headsets: OMTP standard is usually called national standard, and CTIA is called international standard. Headphones are classified according to their energy conversion methods, mainly including: moving coil method, moving iron method, electrostatic type and other magnetic type. From the structural and functional methods, it can be divided into semi-open and closed; from the wearing form, there are earplugs, hanging ears, in-ear and headwear; from the number of wearers, there are single earphones and Multi-person earphones; distinguished from the sound source, it can be divided into active earphones and passive earphones; active earphones are also often called card earphones.

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i13 TWS Bluetooth 5.0 / Noise Cancelling / Comfortable Wearing / Automatic Pairing Wireless Earphone

Descriptions:
With a lightweight and compact body, wireless design, Bluetooth V5.0 technology, this earphone has superior HiFi sound quality. Equipped with a small size charging case, it is convenient to charge and easy to carry.

Main Features:
• Bluetooth V5.0 and chip QCC3003 technology protect wireless headphones from cable disasters
• Noise cancelling to filter out background noise for clear voice and enjoyable communication
• Designed according to the shape of ears, you can enjoy comfortable wear
• Automatic pairing, automatic switching, integrated with charging and storage
• Surround sound effect, clear and high quality
• 320mAh charging bin, 40mAh built-in Li-ion battery earphone

Specifications:
Driver: 15mm
Impedance: 32ohm
Bluetooth version: Bluetooth 5.0
Bluetooth use frequency band: 2.4GHz
Bluetooth distance: 10-15 meters barrier-free
Power level: class 2
Output power: 30mW
Frequency response: 20-20000Hz
Working voltage range: 3.0V-4.2V
Microphone sensitivity: -42dB
Powerful noise cancellation circuit

NOTE
Adjust volume function is not available for Android phones
Type: In-Ear
Material: ABS
Main Functions: Bluetooth
Application: Sport,Working
Cable Length (m): 0m
Compatible with: Computer,iPhone,Mobile phone
Connectivity: Wireless
Driver unit: 15mm
Frequency response: 20-20000Hz
Impedance: 32ohms
Bluetooth: Yes
Bluetooth Version: V5.0
WIFI: No
Battery Type: Built-in
Package weight: 0.134 kg
Product size (L x W x H): 5.00 x 4.00 x 2.30 cm / 1.97 x 1.57 x 0.91 inches
Package size (L x W x H): 10.00 x 10.00 x 3.30 cm / 3.94 x 3.94 x 1.3 inches
Package Contents: 2 x Headset, 1 x Charging Box, 1 x Chinese / English Manual, 1 x Charging Cable

Earphones are a pair of conversion units, which accept electrical signals from a media player or receiver, and convert them into audible sound waves using speakers close to the ears. The headset is generally detachable from the media player and connected with a plug. The advantage is that it can listen to the sound alone without affecting others; it can also isolate the sound of the surrounding environment, which is very helpful for people who use it in noisy environments such as recording studios, bars, travel, and sports. Earphones were originally used on phones and radios, but with the popularity of portable electronic devices, earphones are mostly used in mobile phones, walkmans, radios, portable video games and digital audio players.

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Haylou GT1 Touch Control / Noise Canceling / Comfortable Wearing / Wireless Bluetooth 5.0 Earbud from

Main Features:
• Frequency response range 20-20000Hz
• Impedance 32
• Sensitivity 110dB
• Bluetooth version 5.0
• Multiple touch, DSP noise reduction, IPX5 waterproof
• Speaker: 7.2mm moving coil unit
• Headphones 3.5 hours battery life, charging box 12 hours battery life, charging time about 1.5h, standby 120h
• Battery capacity earphone 43mAh, charging bin 310mAh
Brand: Haylou
Earphones type: Hands-free
Materials: ABS
Mainly Compatible with: HTC, HTC One M9, iPhone, iPhone 5/5S, iPhone 6, iPhone 6 Plus, iPhone 6S, LG, Motorola, Nokia, SAMSUNG
Functions: Phone call answering,Song switch,Support music
Package weight: 0.128 kg
Product size (L x W x H): 6.20 x 4.00 x 2.72 cm / 2.44 x 1.57 x 1.07 inches
Package size (L x W x H): 15.00 x 10.00 x 5.00 cm / 5.91 x 3.94 x 1.97 inches
Package Contents: 2 x Earphone, 1 x Charging Bin, 1 x Chinese / English Manual, 1 x Data Cable, 3 x Pair of Ear Cap

Listening to music is liked by many people, especially young people, and now the mobile phone has all the functions and also has a good function of playing music, so you can see that many people are listening to something with headphones. Some people who are looking for better sound quality and more dazzling style use headphones. Now, based on my usage, tell everyone how to wear the headset correctly.
Before putting on the headphones, you should watch the left and right. Generally, the headphones are marked with obvious "L" (left) and "R" (right) signs. Only when you wear them correctly can you enjoy the correct soundtrack content in music or movies.
Headphones have better wrapping earmuffs, so when wearing them, put the entire ears inside the edges of the earmuffs, and don’t let the earmuffs press on the ears. One is uncomfortable, and the other is that it will leak sound. Auditory perception.
Adjust the length of the head beam according to the size of your head, so that the earmuffs are just buckled on the ears, and the head beam is gently resting on the head, so that you can wear it more securely. The head beam should not be close to the scalp, it will be very uncomfortable.
The sound unit of the headset is generally relatively large and requires a larger drive current, so you should choose to use a computer or CD player to input the sound source. If you are using a small music player such as MP3, it is best to add a headphone amplifier to give full play to the normal effect of the headphones.
Although headphones have less damage to ears and hearing than in-ear headphones, do not wear them for a long time to listen to music or watch movies, and keep the volume at a level that you can hear clearly. Do not overplay the sound Big. The ears should be rested every half an hour to shorten the time of use.

Headphones refer to headphones that are worn on the head, not inserted into the ear canal. They have a good sound field, good comfort, and can avoid chafing the ear canal. The sound quality of the high and middle bass is very good, even if the symphony is played. Sense; the mid-volume sense is richer, the vocals of listening to popular songs are infectious, and the music tastes better.
Headphones have extraordinary sound quality—real, clear and enveloping—it makes your pulse faster and excited. It allows you to feel the beauty of traveling through time and space. The PRO series earphones not only have "strong bass", but can also reproduce various music styles. Headphones and high-end equipment matched with flagship headphones are also a must. For high-end earphones, the importance of the front-end system is self-evident. Even compared to the general audio system, the revealing power of the high-end earphone system is even greater. These high-end flagship headphones are undoubtedly the best-sounding gathering in this industry, and the outstanding sound source system has also become an inevitable configuration.

Sound quality: The HIFI mentioned earlier determines the sound quality of the earphones with high, medium and low frequency balance. Let alone excellent, the balance is good, and then the resolution is good, but there is no perfect earphone, especially high-end earphones. Every field has it Sony’s noise reduction is very good, and the BOSE looks very good. For most wooden ear friends, the low price is also good. Otherwise, how can there be an "entry-level" argument, I will talk about it in detail later Features of each headset.

Noise reduction capability: Noise reduction is divided into active noise reduction and passive noise reduction. First, passive means physical noise reduction. Through the design of ear pads, the sound insulation material in the ear pads of the earphones tightly isolates external noises, and it feels a little tight. Sometimes because the noise is too loud, the volume is increased, not only loss of hearing, but also There will be discomfort over time. Active noise reduction: The frequency of noise reduction generated by the noise reduction chip inside the earphone through the circuit is opposite to the frequency of the external noise and cancels to achieve a noise reduction principle. Good earphones will produce the opposite frequency according to the different frequencies of the noise to maximize the progress Noise reduction, here it is stated that there is no earphone with 100% noise reduction.

Signal-to-noise ratio: a parameter, in decibels. Generally, the higher the signal-to-noise ratio, the better the earphones and the less noise.
Distortion: The smaller the distortion, the better. The simple understanding is the change of the timbre. Similar to the broken sound of human beings, the smaller the distortion, the smaller the change of the timbre. Of course, it is difficult for ordinary people to hear with wooden ears.

Transient response: a response speed of fast output after signal input. For example, when multiple musical instruments are played, the piano sound suddenly stops, and the violin is quickly connected, there is a response speed at this time, which is the meaning of transient response.
Sensitivity and impedance: the higher the sensitivity value, the smaller the impedance, the faster the music presentation speed, and the faster driving.
Comfortable appearance: If the appearance of the headset is higher, the BOSE is relatively high, and the second is that it is comfortable to wear, not heavy, and does not hold the head, and it will not be uncomfortable to wear for a long time.

Health point of view: At present, the earphones on the market are divided into in-ear, neck-mounted, ear-mounted, and earplug types. Only the headset has the least impact on hearing health, because it does not enter the ear canal and its noise reduction ability , The least impact on hearing, it is recommended that everyone listen to the song at a moderate volume.
Noise reduction ability: Because the headset is playing sound quality and noise reduction, because of its unique design, this piece is very well done. Sound quality and noise reduction ability are a measure. In-ear headphones noise reduction is not bad, but The cost is high, all because of its own design problems. Sound effects: The head-mounted style gives you the feeling of being on the scene. Listening to the orchestra performing in front of you, it is extremely shocking. Every instrument and human voice will not be hollow regardless of high frequency, intermediate frequency, or low frequency. The dynamic response is very high. Fast, low distortion; in the case of the game, you can accurately distinguish how far away the footsteps are, where, accurately locate them, and distinguish the enemy. This is an excellent place.
Package comfort: The headset is comfortable to wear is also a problem that we are very concerned about. Headphones wrapped in cotton are very soft, comfortable to wear, and do not clamp.