Smart Toothbrush Beauty, brains and power.UV sterilization.The lid is automatically sterilized for 120 seconds.Sterilization rate is as high as 99.9%. It features an ultra-powerful and industry leading motor producing 43,000 vibrations per minute , lithium-ion battery, ultra-fast wireless charging, 3 mode operation, DuPont engineered brush heads; all with a sleek ultra-slim, lightweight and IPX7 rated waterproof design. The back of the toothbrush is attached with 3M strong adhesive, which can be hung on the wall and will not fall off easily. Goes beyond just cleaning teeth it provides complete oral care Smart timing design: 30 seconds automatic zone change reminder. Automatically stop in two minutesDuPont Brush Heads - Each brush head lasts 4 months.