Bluetooth version:Bluetooth 4.2+EDR
Transmission distance :10 meters
Charging period:1~2 hours
Standby duration:120 hours
Battery:200mAh Rechargeable polymer battery
Function:Adjust volume,Switch songs,Answer call,Refuse call,Hang up call,Bluetooth display,Telephone replay,Voice prompt,Bluetooth back connection,Electric quantity display,Intelligent shutdown,Magnetic absorption function,TF card playback