1.Bluetooth Version: V3.0+EDR 
2.Support HFP, A2DP, AVRCP
3.Operating distance:10 meters
4.Playing time:15 hours
5.Talking time:20 hours
6.Standby time:200 hours
7.Charing voltage :DC5V/500mA
8.Charging interface:Micro USB
9.Charing time:2.5 hours
10.Speaker diameter: 30mm
11.Power indicator