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New tws earphone BTH-221


New tws earphone BTH-221

1. Listening to the song correct, support songs and call.
2. Remind call number, the last call back, all intelligent Chinese and English voice prompts, boot, pair, shut down the phone power will be low voice prompts.
3. Power capacity will show on your Iphone, you can see the power situation anytime, do not worry about the electricity ,make your life without worry.
4. One to two connections, can be connected to two mobile phones at the same time.
5. Intelligent compatibility: support all BT mobile phone, tablet, notebook, singing it, QQ music, movies, etc., universal all mobile phone.                                                                                                                                                                                                                                                                                                                                 

Version & chipV4.2+EDR
profilesHSP, HFP, A2DP, AVRCP
Working rangeUp to 10 meters, class 2
Battery capacity55mAh*2
Charging dock batteryrechargeable polymer 1000mah-charge earphones 9-10 times 
Working Time2-3 hours
Charging timeabout 1-2 hours
Output Power30mW
Microphonebuilt-in superior HD microphone, provide clear and lound sound
Noise cancellationadopt the advanced CVC6.0 active noise cancellation technology

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