Unique U-Shape Brush HeadU-shape bite fits the shape of the mouth and can clean the surface and inside of the teeth in all directions. The toothbrush head can be removed and cleaned. Made of high quality silicone, it is environmentally friendly and safe for use. Waterproof Design Powerful blue light sonic cleaning, deep cleaning, remove plaque and stains. Waterproof designs, it can be rinsed with water, no electric leakage, durable. Charging time is less than 90 minutes. After charging, it can be used for more than a week, energy-saving and environmentally friendly. Blu -Ray Whitening Blue light teeth whitening principle, effectively remove tobacco and tea stains, whiten and whiten teeth, effectively remove tartar, plaque, and make the oral cavity fresh and healthy. It can prevent gum atrophy, promote periodontal blood circulation and reduce periodontitis. Instructions for use1.Inject toothpaste or use ordinary toothpaste on both ends of the braces.2.The ordinary toothpaste must be wet and then pour into the To be taken by mouth Power button and shake the left and right side to touch the big teeth on the left and right side. 4. Clean the braces and body, remove the braces, rinse with water and dry. Comfortable teeth brushing, high-frequency massage, teeth whitening, meet your different needs. Food-grade soft silicone material , it does not harm your gums and takes care of your teeth.