Efficacy of dental calculus remover: Ultrasonic tooth cleaner High-frequency vibration electric dental calculus remover can quickly remove dental plaque and even dental stains on the most difficult teeth without any effort, which can make teeth and gums healthy. High-quality material: Scraper Tartar Remover adopts food grade silicone/PC/ABS/304 stainless steel head, IPX6 watertight structure, ultrasonic tooth cleaner can be cleaned directly under faucet. It is safe and efficient, and the vibration is slight and painless. After use, your teeth will obviously turn white without dental plaque. Humanization: It conforms to ergonomics, and holds silica gel very well. With charming colors and portable size, this lightweight ultrasonic tooth cleaner is definitely an ideal dental care product for you and your relatives, and the best gift for you to give to your friends and relatives! Simple use: Five adjustable intensity modes (10,000-25,000 times per minute) are suitable for different gingival sensitivities and easy to start from low to high level. Equipped with USB charging cable, it can be easily charged by any telephone adapter. Portable, compact, easy to carry for travel and business travel. Safety service: This electric ultrasonic tooth cleaner dental calculus remover cleans up the stains in the mouth, thereby refreshing the breath. If you have any questions, please contact us first.