1. With ultrasonic motor, 400 vibrations per second
2. 360-degree U-shaped brush head, easy to clean to the inside of the teeth
3. With cold light whitening technology
4. Level 7 waterproof, body washable
5. Three sound waves can be adjusted
6. Lithium battery capacity 400mAh, long battery life
7. Dimensions: 60x25x110mm
8. Weight: 0.32kg
