Achieve a premium clean while keeping our planet’s wellbeing at the heart!      4 Weeks+ battery life (when using twice a day) Waterproof grade IPX7 makes it easy to clean the handle with a scratch-resistant casing Multifunctional Button 3 bristle types, at least one to suit every smile Binchotan Charcoal (Charcoal Filament) - Whitening Spiral Bristle (PBT) - Plaque Removal Tynex Bristle (Nylon 1010) -  Sensitive Teeth and Gums           Benefits: World’s FIRST Electric Toothbrush made with Bamboo and Recycled Plastic -   2nd Generation Brush the perfect amount and prevent cavities with the 2-minute timer (4 x 30-second cycles) Sensitive teeth?