... with V2.0, V1.5, V1.1 Stereo Bluetooth Headset with mic Support Bluetooth A2DP, AVRCP, and HS/HF profiles CVC software ... Echo and Noise cancellation Wirelessly enjoy stereo music from all bluetooth enabled devices such as mobile phones, iPad, PDA, Tablet PC ... , PC, laptop, PS3, Xbox and so on.Bluetooth specification V2.0, up to 10 metersBuilt-in rechargeable 460mAH Li-on battery ...