Standby time: about 120H 
Talking time: about 8H
Music time: about 9H
Charging time: about 2H
Version:V4.2
Battery Capacity: about 100mAh
Range: 10m
Working voltage: 3.4V-4.2V
Transmission power: 0dbm
Frequency: 2.402G-2.480G
Temperature: 20-60
Weight:11g