... more discount door to door reservice Brand new and high qualityBluetooth V2.0, compatible with V2.0 ... mic Support Bluetooth A2DP, AVRCP, and HS/HF profiles CVC software Echo and Noise cancellation Wirelessly enjoy stereo music ... PDA, Tablet PC, PC, laptop, PS3, Xbox and so on.Bluetooth specification V2.0, up to 10 ... 22.5 hours Music time: not less than 16 hours Standby time: not less than 180 hours ...