Features: Using high-frequency vibration technology to remove tartar on teeth, solve most oral problems, and keep teeth and gums health even in the most difficult-to-reach areas, such as plaque, tartar and stains. Vibration technology: Ultrasonic technology, 31,000 times/minute high-intensity frequency, effectively crushes stubborn tartar, reduces artificial tooth enamel and gums damage. More Flexible and Safer to Use: This teeth cleaning tool is equipped with LED HD screen, auxiliary LED light and silicone handle. With intelligent memory function, it will automatically choose the last shutdown mode when it is turned on. The frequency can be adjusted in 4 levels to remove stubborn calculus, tartar and stains. Automatic power off after fully charged, automatic protection and energy saving USB Rechargeable: USB safe and fast charging. It can be used about 20 times per charge, so there is no need to worry about power loss when traveling. 5 cleaning modes with different speed can meet the needs of different teeth cleaning.    Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement                Description: Material: ABS Charging method: USB charging Rated voltage: 3.7V Standby current: ≤20ua Rated current: 200mA Wire Power Adapter: 5V Charging time: 2 hours Waterproof grade: IPX6 Product size: 21.5*2.5*2.5cm Packing list: Tooth cleaner host*1, scrub head*1, oral mirror*1, toothbrush head*3, USB charging cable*1, manual*1 Package List: 1 set x Electric Tooth Cleaning Instrument