1. Power supply: external plug
2. Control method: key type
3. Type of electric toothbrush: sonic type
4. Battery capacity: 3.7/1800mAh, Charging 4 hours, battery life 120 days
5. 4 gears can be adjusted to meet your needs
6. Care for gums, sensitive teeth are also available
7. Grade 7 waterproof, the whole body can be washed
8. Dimensions:46x36x27cm
9. Net weight:150g
2. Control method: key type
3. Type of electric toothbrush: sonic type
4. Battery capacity: 3.7/1800mAh, Charging 4 hours, battery life 120 days
5. 4 gears can be adjusted to meet your needs
6. Care for gums, sensitive teeth are also available
7. Grade 7 waterproof, the whole body can be washed
8. Dimensions:46x36x27cm
9. Net weight:150g