Description: Superior MaterialThe U shape toothbrush head is made of food grade silicone, soft, non-toxic and no harmful, effectively sterilizing and comfortably massaging. 4 Working ModesSoft cleaning mode, powerful cleaning mode, massaging mode, and cold light whitening mode. You can adjust it by simply pressing the power switch. U-Shape DesignDesigned for perfectly fitting human mouth, in 48000rpm vibration, it cleans teeth without dead angles. Smart and Convenient UsingUSB rechargeable ensures hands-free teeth brushing experience, and IPX7 waterproof for more efficient and convenient using experience. Auto Memory FunctionAutomatic memory function makes 45 seconds teeth brushing time, and 15 minutes cold light teeth whitening time. Strong FunctionUltrasonic wave technology adopted, it can remove more tooth stain, plaque, bacteria in short time, offering healthier and whitener teeth. Package Included: Electronic Toothbrush x 1 USB cord x 1