USB Rechargeable, IPX8 Waterproof: This electric dental cleaning tool comes with a USB charging cable, which takes 2-3 hours to charge and can work for up to 180 minutes. IPX8 waterproof rating, washable but not soaking. Tooth Friendly: Using high-frequency vibration technology and intelligent recognition function, it protects gums and effectively removes tooth stains Efficient Tooth Cleaner: Our tartar remover for teeth uses high-frequency vibration technology, up to 32-40KHZ, which can easily and effectively remove plaque, plaque, and stains from teeth 5 Cleaning Modes: This plaque remover has five working modes. There is a bright LED ring light at the top, which can clearly illuminate the blind spots in the oral field of view. We suggest that you choose the soft mode when your first uses it to get them used to it Tool Teeth Cleaning Kit: This kit includes 3 replacement cleaning heads, a probe, a plaque scraper, and an oral mirror. You don't need to go to a pet hospital to easily help your dog or cat clean their teeth. Saved a lot of time and energy