1.Bluetooth version ：AB5.3
2.Material process ：ABS raw material + silica gel
3.Battery capacity ：2000mAh
4.Horn specifications ：52mm diameter *2+ diaphragm *1
5.Horn power ：8 w *2
6.Charging voltage： DC5V
7.Call or music about 4Hr-5Hr
8.Power supply 18650 Battery
9.Bluetooth distance ：>10 meters
10.Regular colors： Black and white
11.The net weight of the product is about： 915g
12.Product size ：202*89*78mm
