Description U-shaped brace The U-shaped toothbrush conforms to the shape of a human mouth. Just gently pre it in your mouth and pre the power button to automatically brush your teeth. It uses food-grade soft silicone material that will not hurt your gums and care for your teeth. Deep Cleaning Powerful ultrasonic cleaning, deep cleaning, eliminates plaque and stains. Four gears are optional, powerful brushing, comfortable brushing, high-frequency maage, whitening teeth, to meet your different needs. IPX7 waterproof function The whole body is waterproof, and you can enjoy brushing easily and safely even in the shower. This toothbrush is designed for adults to help them develop healthy brushing habits. 360 all-round Through technology, 360 brushing can clean the surface and inside of teeth. Angled bristles can achieve precise cleaning, waterproof, washable, and reusable, which can ensure healthy teeth. Hands-free The U-shaped single-mouth design of the automatic electric toothbrush allows you to free your hands when brushing your teeth and improve your life efficiency. Feature Working method: ultrasonic vibration Material: Food grade silicone Control method: push-button Color: Black Size:2.4*1.0*4.3 inch Weight: 260 g0.6 lb Rated voltage: DC3.7V Rated frequency conversion: 5000-15000 Rated current: 1500mAMax Input voltage: DC5V