Bluetooth version:V3.0+EDR
Support profile:HFP、HSP、A2DP、AVRCP
Working distance:10M
transmission frequency:2.4GHz-2.48GHz
Charge time:about 2 hours
Standby time: about 160 hours
Talk time:about 8 hours
Size:50*14*11mm
Function: answer/end a call、redial、
volume adjustable、play last/next track、
voice dialing(the phone must support this function),
can connect with the two mobile phone at the same time,
Bluetooth headset's battery power indicated on iPhone