100% brand new and high-quality made. Unique U-shaped brush head in line with the shape of the teeth bite, high-frequency sound wave vibration cleans your teeth 360 degree within seconds. Nano blue light whitening, low-temperature blue light irradiation teeth 45 seconds a time, sterilization, whitening, massage gums. The perfect combination of brushing and whitening and forth, giving the tooth a 360 degree cleaning effect. Food grade silicone brush head, not allergic, safer to use. Wireless induction charging, 3 hours charging, 15 days standby time. Notes: The normal working temperature of the product is 0C-50C. When the product is charged, please charge it at normal temperature because of the characteristic of the product. When the product is not used for a long time or is stored for a long time, it is suggested that it should be charged and discharged within three months. The product are stored in dry and cool places as much as possible and avoid sunlight. After brushing your teeth,use wet cloth to clean up the water and stagnation of the fuselage,and try to avoid soaking in water. The output power of the product is large,and it is forbidden to work for a long time.Generally ,it is less than 10 minutes. When charging,please take the brush head down and keep the body in a dry bath.The power supply is less than 10 minutes. How To Use: After full charge, install U-shaped brush head. Shake the liquid toothpaste out of the foam and evenly apply it to the U-shaped brush head. Put the brush head into your mouth, relax the bite U-shaped brush head, and select the right frequency mode. Easily touch your teethnand shake your brush back and forth with your hands at the same time to brush your tooth more cleaner. After brushing your teeth, use wet cloth to clean up the water and stagnation of the fuselage,and try to avoid soaking in water.