1. Light and quiet
2. For people with gum sensitivity
3.3 Mode Optional
4.30 seconds zone change, 2 minutes timing
5. Dual bristles, partition cleaning
6. Small brush head, easy to change area
7. Magnetic suction fast charge design, charge two hours, endurance of 60 days
8. IPX7 waterproof, shower available
9. Full machine skin friendly coating, winter does not freeze hands
10. Plating design at the bottom, no mildew