Feature:1. FOOD GRADE SILICONE BRUSH HEAD: Food grade silicone brush head is easy to use and healthy, covering teeth 360°.2. U SHAPED DESIGN: This U shaped electric toothbrush uses 45° brushing, and the brushing method is more novel.3. FEATURES: The 90° base hair penetrates into the gums, and the 45° side hair penetrates into the lateral teeth.4. AUTOMATIC SHUTDOWN: Violet disinfection, air drying, automatically shuts down after 90 minutes of disinfection.5. IPX7 LEVEL WATERPROOF: This children's electric toothbrush is IPX7 waterproof, and it can also be used in bathing and bathing.How to Use:1. Brush the toothbrush head and the toothbrush host, and force the brush head to install on the host.2. Sponge toothpaste onto the U‑shaped brush head.3. Put the U‑shaped brush head in the original oral cavity and put the oral cavity on the alveolar.4. The front‑side opening key.5. Adjust to the mode that suits you, hold your body, and turn your left and right hands back and forth to make brushing your teeth cleaner.6. To prevent the toothpaste foam from splashing, please close the toothbrush before taking it out of your mouth. After brushing your teeth, clean the brush