U-Shaped Toothbrush HeadThe brush head is made of food grade organic silicone, safe, soft and comfortable for babies and children, protect gums from bleeding. It comes with a toothbrush cup, also can be used as a protective case. It has drying functions to prevent bacterial growth. It helps to avoid brush dust, perfect for daily use and travel use. Multi-Function Mode: Our automatic toothbrush is your professional daily dentist that promotes healthy gums and teeth with multiple function modes as follows: 1. Strong mode for powerful tooth brushing; 2. Medium mode for comfortable tooth brushing; 3. Massage mode for gum massage. Magnetic USB ChargingAfter fully charged (about 2 hours), you can use it for about 20 days, energy saving, eco-friendly and economic. When charging, the lights will turn on and the built-in fan will work, the toothbrush dries and cleans at the same time, easy to keep hygienic. toothbrush is the correct charging method." Waterproof Design and Memory FunctionThis electric teeth whitening brush is IPX7 waterproof, the waterproof toothbrush can be rinsed with water directly. water, without electrical leaks. In addition, ordinary gear memory function, no need to re-adjust at the beginning, convenient and practical. automatic attractive to all children, which reduces children's resistance to brushing and increases children's interest in brushing their teeth actively. 45 seconds timing design, kids can finish brushing teeth in 45 seconds, simple and convenient.