Bluetooth Version:Build V4.2
Transmission Frequency:2.4GHz
Battery: 60Mah with Protect IC
Talk time: 3 hrs
Standby tiime:120hrs
Charging time: 2hrs
Data interface: USB2.0
Input Interface:USB stereo
Cable length：65cm
Function:
Control Volume and Calling
Music Previou/Next/Pause/Start