1.BT Chip :6916
2.IC Version:V5.0
3.Function:BT/waterproof/microphone
4.Earphone battery
single side:40mah
5.Charging box
battery : 320mAh
6.play time: 1.5-2
hours
7.Standby time
:180 hours
8.Charging box size:85*35*32mm
9.Shell
material:ABS
10.Color
option:Black,White