Features:1. Using an ultrasonic frequency of up to 2.8 million times/minute, it does not damage the gums, cleans teeth deeply, removes stubborn stains and tartar, and keeps the mouth clean.2. Made of medical grade steel, safe, non-toxic, corrosion-resistant and rust-proof.3. Equipped with LED auxiliary lighting, it can illuminate every corner of the oral cavity, making it easier for you to observe the internal conditions of the oral cavity.4. There are 5 adjustable strengths, soft, normal, medium, strong, and super strong. Choose different modes according to your needs.5. It has a disinfection function. When charging, the ultraviolet disinfection lamp can kill bacteria and ensure it is clean and hygienic.6. It helps improve various oral problems, such as yel.
eBay