high quality bluetooth earphone wireless headset for mobile phone , lap

详情

 Product Description
Headset

Version Bluetooth: CSR V3.0+EDR
Support mode: HFP, HSP, A2DP, AVRCP
Efective distance: *0M
Transmission frequency: 2.4GHz*2.*8GHz
Transmission speed: *7~**3Kb/S
The stereo compression ratio: *4.1/*8kHz
Distortion rate: 0 %
Charging voltage: 5V**0mA
Charging time: **2H
Working time: 7H
Standby time: **0H

Features: It can connect with two devices with bluetooth function simultaneously; With receive/hang up/reject a call, voice dialing, tail number redial functions, volume control, Stereo music, audio transmission, audio control, use advanced digital signal processing(DSP) technology.