Features:
1.   2nd generation Hi-Fi speakers
2.   Touch-sensitive buttons with backlit LEDs
3.   Play stereo music from any A2DP source
4.   Aux line in for portable music players
5.   Built-in stereo Bluetooth transfer technology
6.   Built-in microphone with DSP for true handsfree telephone
7.   Dual color LED to show the charge, low battery, standby & communication.
8.   10 meter wireless range
9.   up to 8 hours talk time or 4 hour music playing time
10.   up to 200 hours standby time
11.  Rechargeable Li-ion battery  
Functions:
1.  Switch on / off, Pairing
2.   Transfer stereo music from any A2DP source or other portable music players
3.   Take a call, end a call, and reject a call
4.   Muting, volume adjustment, voice recognition
5.   Redialing and call waiting
6.   Dedicated sound in speaker for low battery, switch off / on, pairing,volume adjustment,  voice activation.