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
