Household Ultrasonic Electric Dental Scaler Teeth Whitening Device Teeth Cleaner Remove Dental Calculus Yellow Teeth Tartar Fresh Breath Teeth Cleaning Oral Care IPX6 Waterproof USB Charging Features:1. Effective cleaning—This ultrasonic dental scaler uses high-frequency sound waves (31,000 times in line with minute) to wash your teeth and freshen your breath, which is an indispensable helper for oral care. Five-speed mode—The five-speed mode is appropriate for various tooth situations and meets the needs of other teams of people. One key can switch modes, clear-cut and fast. Significant effect—effectively eliminate dental plaque, dental calculus, yellow teeth, bad breath, tobacco stains, and improve oral problems. Multiple accessories—Three replaceable toothbrush heads can be used for each day tooth cleaning, and two fine clinical grade alloy metallic substitute heads can be utilized to remove tartar, tea stains, and smoke stains. USB charging—USB standard interface, could be related to mobile power, computer systems and lots of different digital item for charging, long-lasting battery life, convenient for you to apply anytime, anywhere. Specifications:Material: ABSColor: white, green, blackSize: 21*2*2: 0 size: 24*10*3 method: USB interfaceBattery: Lithium batteryRated voltage: 3 current: 200mAPower adapter: 5VVibration frequency: 22000 times/minCharging time: about 2HWaterproof rating: IPX6 Packing List:1* Host *11* Frosting head1* Flat head1* Dental mirror3* Toothbrush head1* USB Charging Cable1* English User Manual