Features: 1.Unique U-shaped brush head:in line with the shape of the teeth biting, high-frequency vibration sound waves, can quickly and neatly clean the surface and inside of the tooth at the same time 360 °, 99.99% bacteria in the oral cavity, and provide dental health protection. 2.Nano blue light whitening: low temperature blue light irradiation teeth 45 minutes a time, sterilization, whitening, massage gums. 3. 360 degree cleaning:The perfect combination of brushing and whitening back and forth, giving the tooth a 360 degree cleaning effect.   Description: 1.Food grade silicone brush head, not allergic, safer to use. 2. Wireless induction charging, 3 hours charging, 15 days available.Four modes (Soft cleaning mode / Strong cleaning mode / Massage eraser mode / Whitening mode). Specifications: Color:blue,pink,black,white(optional) Material: silicone + ABS Shape: U type Angle: 360 degrees Charge: USB charging interface, wireless inductive charging base Size:7*6.5cm Clean time: 45 seconds Charging time: 90 minutes Modes: four modes (Soft cleaning mode / Strong cleaning mode / Massage eraser mode / Whitening mode) Frequency: 5000-15000 times / minute Waterproof: IPX7 Package Included: 1 * electric toothbrush 1 * USB cable 1 * charger base