Features: 1. Intelligent Recognition: This tooth cleaner won't hurt your gums. Because it only works on teeth or hard objects. When the cleaning head touches hard plaques, it will start vibrating. When touching gums or soft skin, it will stop vibrating. 2. 5 Adjustable Modes: The tartar remover has 5 adjustable intensity cleaning modes: Superstrong, Strong, Standard, Comfort, Soft. Press the power button one time to switch the mode, which is suitable for the different sensitivity of gums. 3. Ultrasonic Tooth Cleaner: Dental plaque remover tool using real sonic high-frequency vibration technology. The vibration frequency can reach 31000 times/min, which can effectively and quickly remove dental plaque, calculus, tartar, and stains. 4. USB Charging: This teeth cleaning kit comes with a USB charging cable, you can charge it by power bank, adapter, laptop, and power strip. 5. IPX6 Waterproof: You can rinse with water or wipe the cleaning head with a wet cloth, and please don't rinse the body of teeth cleaner with water, just wipe it with the wet cloth. Specification: Material: ABS Color: White, Green, Black Rated Voltage: 3.7V Standby Current: 20ua Waterproof Grade: IPX6 Rated Current: 200mA Charging Method: USB Charging Cable Product Size: 21.5 x 2.5 x 2.5cm Product Weight: 190g Package Included: 1 x Main Unit + 3 x Brush Head + 1 x Flat Head + 1 x Mouth Mirror + 1 x USB Cable