Product information:
Power type: USB, battery, rechargeable
Color: Type A- button, type B- button, type C- button
Charging voltage: 5V/DC
Working current: 20ma
Power: 74mw
Battery type: polymer lithium battery
Working voltage: 3.7V
Host weight: 14g
Battery capacity: 110mAh
Gasket size: 328*318*2mm