1.Premium Materials: Food-grade silicone/PC/ABS/304 stainless steel head, IPX6 watertight structure. 2.High-Frequency Vibration Technology: With ultrasonic vibration to clean up teeth stains and solve most of the problems, such as dental calculus, tooth bacterial plaque. The electric dental calculus remover can be operated for gentle calculus removal by a hand. 3.5 Adjustable Modes: 5 adjustable strength modes(10000-25000 times per minute), suitable for the different sensitivity of gums.Easy to start from low to high levels. 4.Rechargeable And Portable: Comes with a USB charging cable, easy to charge with any phone adapters.Portable, small in shape, easy to carry with for travel and business trips. 5.Household Dental Care: Using the remover in your current dental care routine will decrease the level of bacteria in the mouth resulting in a fresher breath.Products from NIUNIU's store