... 3.Support A2DP ,ACVRP,HSP CSR-S630 Mobile Phone Stereo Bluetooth Headphone Quick Details Brand Name: OEM Model Number: ... Version 2.1+EDRSupports A2DP AVRCP, HSP and HFPEnjoy stereo music from coputer and mobileMicrophone sensitive: [-45dB(0dB=1V ... /Pa,1KHz)]Extremely good quality, superior clear voiceMultimedia, stereo, foldable Headphone, NechphoneHandsfree, compatible with all Bluetooth Devices Such ...