.Transmit power:Class 2 (-6dbm – +4dbm)

.Work frequency:2.402-2.480GHZ

.Output sensitiveness:103±3dB

.Rate of frequency:5HZ-50KHZ

.Sensitiveness of microphone:-42±3dB

.Rated Power:5mW

.Work with iphone,Samsung,HTC,LG and more

.Bluetooth profile:HFP ,A2DP , AVRCP .

.Battery type:rechargeable Li-polymer:400mAh

.Operating distance:10 meters with no obstacles

.Charging time:around 3 hrs

.Talk time:about 20 hrs

.Music time:up to 18 hrs

.Standby time:up to 80 hrs