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Awei B922BL Wireless Bluetooth Earphone:
> Brand: Awei
> Model: B922BL
> Driver unit: 9mm
> Line Length: 60cm
> Impedance: 16Ω ± 15%
> Standby time: 200h
> Charging time: 1h
> Control Button:Yes
> Volume Control:Yes
> Wearing type: In-Ear
> Sensitivity: 110±3dB
> Bluetooth version: V4.2
> Battery capacity: 55mAh
> Music time:About 4 hours
> Talking time:About 6 hours
> Charging port: Micro USB
> Style: Magnetic Ear Hook
> Active Noise-Cancellation:Yes
> Connectivity: Wireless Bluetooth
> Sound Channel: Two-channel (stereo)
> Vocalism Principle: Hybrid technology
> Bluetooth distance: W/O obstacles 10m
> Voice frequency range: 20Hz - 20KHz
> Bluetooth Protocol: HSP/HFP/A2DP, AVRCP
> Wireless frequency range: 2.402GHz - 2.480GHz
> Function: Bluetooth, Voice control, Answering phone, Song switching, Multi connection function
> Compatible: Bluetooth Earphone for computer, iPhone X 8 7 Plus, Samsung Sony Huawei android phones
What is Headphone Sensitivity?
Sensitivity works hand-in-hand with the impedance of the headphones. They must correspond to each other because they both work hand-in-hand to regulate sound and produce clear acoustics without distortion. The sensitivity measured by dB SPL/mW. The Bigger dB, The higher the sensitivity rating. A high sensitivity will get a wide range of power output, but may get some distortion at the same time. Low sensitivity is harder to damage and not easy distortion, however, it need your device have more power output than high sensitivity one. Generally smart phones, tablets, and mp3 players need a earphone from 85dB to 120dB. It should be noted that at 120 dB, the human ear begins to replace the sensation of hearing with that of pain.
What Is Headphone Impedance?
Most earphone with low impedance (less than 25Ω) require little power to deliver high audio levels. So it can save your device power. Headphones with higher impedance (25Ω and over) demand more power. But, they are protected from damage caused by overloading. They can also be used with a wider range of audio equipment.
What Is Earphone Frequency?
Frequency response is the range of bass, mids and treble. 20 to 20,000 Hz is generally accepted as the audible frequency range, this is the standard for most headphones. Some Earphone offer wider ranges (for example, 5 to 33,000 Hz), but better frequency response does not always mean better sound quality. Below 20 Hz bass frequencies can be felt more so than heard, treble frequencies over 20,000 Hz are not always audible.
How to choose Headphones / Earphones which suit your self?
Generally, more expensive headphones are made with higher quality materials and better engineering, improving the sound quality. $10 headphones will sound good, but not as good as $30 ones. Cheaper earbuds often run into problems like falling out of ears, hurting ears, or simply making dents in them from the cheap plastic.
Neckband earphone are exactly well, This is recommended for joggers or people who wear hats a lot and also for sunglasses fanatics.
Earbuds and in-ear headphones tend to be better at sound isolation, due to the seal they provide in your ear.
You are the person who is going to be using these headphones day in day out. If a $5 pair of headphones sounds the same as a $500 pair of headphones, go for the cheaper pair. The sound quality is not going to change just because they are more expensive!
When you connect the bluetooth earphone with your device first time, You need press the button about 5-6 seconds, when you hear the Power On, still hold the button, soon you will hear Toot Sound(blue-red light flashing), then you will find AWEI MUSIC on your cellphone, Good time !
|Color||Black, Red, Rose Gold, Grey|
|In Sales Package||Headphone, Earbuds, Charging cable, User Manual|
|Talk Time||6 Hours|
|Play Music Time||4 Hours|
|Stand by time||200 Hours|
|Frequency Range||2.402G - 2.480G|
|Impedance||16Ω ± 15%|
|Frequency Response||20 - 20KHz|
|Function||Answer/reject a call, play/pause music, switch songs|
|Bluetooth Version||V 4.2|
|Bluetooth Protocol||HSP/HFP/A2DP, AVRCP|
|Covered in Warranty||Warranty of the product is limited to manufacturing defects only|
|Warranty Summary||7 Days Manufacture Warranty|
|Replacement Summary||Return & Replacement Policy You can return this product for a full refund within 7 calendar days of receiving your order. Please read the Return and Replacement Policy. If your purchased item meets all the requirements, your return can be initiated via Three options - Option 1: Communicating with us by Facebook chat or through Live Chat on Savendays website. Option 2: By calling Savendays Customer Service on 01720222169. Option 3: Directly drop off the product at the office premises or by post by Courier Service. Whether you prefer to replace or get a refund for your purchased item, please specify to the Customer Service. Savendays Customer Service will contact you as soon as your product has been received for replacement.|
|Not Covered in Warranty||Warranty does not cover any external accessories (such as battery, cable, carrying bag), damage caused to the product due to improper installation by customer, normal wear and tear to magnetic heads, audio, video, laser pick-ups and TV picture tubes, pane|