Features:1.This dental scaler vibrates various stubborn tooth stains with high-frequency sound waves with a rotation speed of 31000/min, removes tartar and tartar, and helps you improve various oral problems.2.The combination of the cleaning tip and the toothbrush head, cleans the teeth first and then brushes the teeth, cleans the teeth deeply, cares for the oral cavity, and keeps the teeth healthy.3.Three modes(gentle mode, cleaning mode, whitening mode) are available, lightly touch the switch, one-key adjustment of the gear, simple operation and labor-saving.4.The shell made of high-quality ABS material is smooth and textured, the body is light, not easy to break, and has a long service life.5.IPX6 waterproof, the body can be washed with water, it is more convenient to clean, and there is no need to worry about short circuit caused by water ingre.6.Gear memory function: 2 minutes of smart timing, 30 seconds of shift reminder, automatic shutdown after 2 minutes, to prevent tooth cleaning from damaging the gums for too long.Specifications:Material: ABSColor: whiteSize: 2.4*3.5*9.8cmWeight: 0.14kgPacking size: 24.5*10*3.5cmRated voltage: 3.7VStandby current: 20uaWaterproof rating: IPX6Rated current: 200mAPower adapter: 5VCharging time: 1.5 hoursLife time: 50 daysPacking List:1* Host1* Toothbrush head1* Tooth Cleaning Head1* Dental mirror1* USB Charging Cable1* English User Manual