Support Headset Profile (HSP), Hands-free Profile (HPF), Advanced Audio Distribution Profile (A2DP), & Audio Video Remote Control Profile (AVRCP) Inter-operate with both Bluetooth Mobile Phones & A2DP enabled Audio Devices VoIP Call with USB Dongle Connected Compatible with Stereo BlueTooth Mobile Phones 12 Hours Talk Time, 10 Hours Music Listening Time, 260 Hours Standby Time Product [...]