Product information:
Color: [five mode] White English version, [five mode] Pink English version, [four mode] White, [four mode] Pink
Material: ABS
Input: 5V / 1A
Power: 4W
Voltage: 3.7V
Battery Type: Built-in rechargeable 1200mAh battery
Power supply: USB charging
Charging time: About 3H
Working mode: 5 adjustable modes
Strength: 3 strength levels
Cleaning method: the whole machine can be washed
Product Size: 16.5*5 * 4.5cm