1. 4 Teeth cleaning modes meet different dental cleaning needs. 2. Enhancement technology of compression power, more effectively cleaning teeth. 3. Long battery life. The battery life can reach to 150 days (the standard cleaning mode is 65 days*, the sensitive and gentle mode is 150 days) 4. Safe DuPont bristles, copper-free antibecteria brush head, rest assured to take care of oral health. 5. IPX8 levels of waterproof, double -layer sealing, peace of mind. 6. 360 degrees Wireless charging, fully charged for about 4 hours. 7. Working power: 2W 8. Working voltage: 3.6V 9. Rated input: 5V 1A
