Description:Effective cleaning: This dental scaler uses high-frequency sound waves (22,000 times per minute) to clean your teeth and freshen your breath, which is an indispensable helper for oral care.Five-speed mode: The five-speed mode is suitable for different tooth conditions and meets the needs of different groups of people. One key can switch modes, simple and fast.Significant effect: effectively remove dental plaque, dental calculus, yellow teeth, bad breath, tobacco stains, and improve oral problems.Multiple accessories: Three replaceable toothbrush heads can be used for daily tooth cleaning, and two high-quality medical grade alloy steel replacement heads can be used to remove tartar, tea stains, and smoke stains.USB charging: USB universal interface, can be connected to mobile power, computers and many other digital products for charging, long-lasting battery life, convenient for you to use anytime, anywhere. Specification:Material: ABS Color: white, green, blackSize: 21.5*2.5*2.5cmWeight: 0.19kg Packing size: 24.5*10*3.5cm Charging method: USB interfaceBattery: Lithium batteryRated voltage: 3.7VRated current: 200mAPower adapter: 5VVibration frequency: 22000 times/minCharging time: about 2H-4HWaterproof rating: IPX6 Package Included:1PCS X Host 1PCS X Frosting head1PCS X Flat head1PCS X Dental mirror1PCS X USB charging cable1PCS X English user manual3PCS X Toothbrush headNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.Please allow 1-2cm measuring deviation due to manual measurement.