Xiaomi Mijia Sonic Sweep Electric Toothbrush(White)1. Rated input: 5V 1A 2. Working voltage: 3. 7V 3. Working power: 2. 5W 4. Charging time: about 6h 5. Waterproof level: IPX8 6. Double swing angle sweeping, easy to clean the blind area of ?? molars 7. Intelligent missed brushing reminder, orange light turns on when brushing is not in place 8. 180 days of ultra long standby, universal Type C interface design at the bottom 9. 3 modes, personalized adaptation Specification: Package Weight One Package