TRUE ULTRASONIC TECHNOLOGY Still worried about hard tartar, plaque, coffee stains or smoke stains on your teeth tooth cleaning set also gives you beauty. Ultrasonic teeth cleaner uses innovative and efficient ultrasonic technology (No harsh noise or vibration when working, but most plaque removers on the market use electric vibration. The handle also vibrates) Ultrasonic teeth cleaners are more efficient.5 MODES AND 5 HEADS There are 3 modes for electric scalers: (1) soft; (2) regular; (3) medium; (4) strong; (5) super strong. Suitable for gum and tooth stains of different sensitivity. tartar remover is a tartar cleaner with different tips: the tip of ultrasonic tooth cleaner is suitable for cleaning small stains in the gums and the flat tip is for cleaning large tartar on the tooth surface. Safe Operation The toothbrush set is made of foodgrade 304 stainless steel and contains no harmful additives. The toothbrush set will not damage teeth during use. Special technology is used to prevent tooth damage and remove stains and plaque safely and painlessly. Gums can effectively protect the oral cavity and avoid gum damage.[IPX7 waterproof and USB charging]: The electric scaler can be charged more conveniently via USB, and can be charged with a portable power supply, which is convenient when traveling or going out. It can be used for about 20 days on a single charge. IPX cleanse the whole body. When installing, rotate the scaler head 90 degrees so that the scaler head and toothbrush head are facing you to ensure a secure fit.The perfect gift ultrasonic scaler uses innovative and efficient ultrasonic technology. The vibration of up to 40KHZ can effectively separate dental plaque, tartar and stains, easily remove hard tartar on teeth, teeth and teeth and teeth and teeth and teeth and teeth and teeth and teeth and teeth and effectively separate tooth and tooth and tooth and tooth and tooth and tooth and tooth and tooth and stains. a professional dental care kit used by dentists. Its convenient and simple Its a gift The best gift for family, lover and friends.