Function: Ultrasonic wave
Product features: three - color light indicator, lock water suction cup design
Gear: 3
Working mode: Electric rotation
Power supply parameters :DC 3.7V 200mah
Power: 0.3 w
Charging time: 2-3 hours
Continuous working time: about 2 hours
Packing list: Silica gel cleanser *1,USB charging cable *1, Chinese and English instruction *1