Electric sonic toothbrush with up to 300 days of battery life. Charge the toothbrush once and enjoy a long battery life of up to 300 days. Thorough tooth cleaning with up to 37,000 brush head movements per minute. 3 treatment modes: Clean (36,000), White (37,000), and Sensitive (30,000). Dynamic LED display, a 2-minute timer for automatic shut-off, and a 30-second interval timer. Suitable and safe for use on metal braces, fillings, veneers, and all other types of dental implants. Includes 2 brush heads (Soft and Medium), 2 brush head containers, and a USB cable. Up to 37,000 movements per minute. The SonicYou generates up to 37,000 vibrating brush movements per minute. With 3 different brushing modes (Sensitive, Clean, and White), SonicYou removes plaque and impurities more effectively than a manual toothbrush. It can clean hard-to-reach areas and cleans deep between teeth. Coffee, tea, and wine stains are easily removed for a radiant smile. For convenience, SonicYou remembers the last selected brushing mode. Tip: Brush with SonicYou for at least 4 minutes a day to achieve quick results. Waterproof and low noise. Want to brush your teeth in the shower? No problem. This electric toothbrush is waterproof (IPX7) and can also be held under running water.