Efficient teeth cleaning The angled head makes it easier to reach the most difficult places, and the rubber area on the handle does not slip off when cleaning, so it can be precisely matched to the polisher.Quickly and effectively remove plaque, tartar and tartar on the tooth surface and between teeth. The detachable design ensures the inside clean and avoids 99% of bacteria. Thanks to this design, you can easily clean the bacteria and limescale deposits in the water tank. Professional IPX6 waterproof oral irrigator can also be used in the bathroom.Easy to use The tooth polisher can be used 1-3 times a week to ensure professional teeth cleaning. Achieve teeth whitening through wear and tear.Features:--- High-Frequency Vibration Technology: With great vibration to clean up teeth stains and solve most of problems, such as dental calculus, tooth bacterial plaque, tartar and stains.--- Premium Safe Materials: Food-grade silicone handle and medical grade 304 stainless steel head.--- IPX6 waterproof allows us to wash it directly under the water, easy to wash it without damage concerns.--- USB Rechargeable and Portable: Comes with a USB charging cable, easy to charge with any phone adapters(5V-1A). Portable, small in shape, easy to carry for travelling and business trips. It is absolutely a great dental care product for you and your families in daily life.\