Ultrasonic Teeth Cleaner, Plaque Remover for Teeth Stain Tarter Plaque Calculus, Electric Teeth Cleaning kit with LED Light, Tartar Remover with 3 Adjustable Modes Intelligent RecognitionThis 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. (Note: After turning on, the machine will not vibrate or make a sound before it touches the teeth. This is not defective, please try to use it on other hard objects.) 3 Adjustable ModesThe tartar remover has 3 adjustable intensity cleaning modes: Soft, Comfort and Strong. LED screen can display power level and mode types. Press the power button one time to switch the mode, which is suitable for the different sensitivity of gums. We recommend starting with the softest mode not to let the cleaning head stay on one spot for more than 2 seconds and do not put pressure on it strongly. LED LightThe built-in LED auxiliary light will automatically turn on when the plaque remover starts working. When you use it with dental mirror or other mirrors, you can clearly see the inside of your teeth without any blind spots. Ultrasonic Tooth Cleaner Dental plaque remover tool using real sonic high-frequency vibration technology. The vibration frequency can reach 2,000,000 times/min, which can effectively and quickly remove dental plaque, calculus, tartar, and stains. The noise is extremely low during work, and your hands will not feel a strong sense of vibration and affect your operation. USB Charging & IPX6 WaterproofThis teeth cleaning kit comes with a USB charging cable. You can charge it with the USB socket, such as power bank, adapter, laptop, and power strip. Cleaning TipsYou can rinse with water or wipe the cleaning head with wet cloth, and please don't rinse the body of teeth cleaner with water, just wipe it with wet cloth.