1. Material: ABS, stainless steel
2. Battery capacity: 1500mAh
3. Battery life: about 3.5H
4. Charging time: about 3.5H
5. Working frequency: 37-44KHz
6. Working voltage: 3.7V
7. Output power: 2.5W (max)
8. Built-in intelligent identification chip, high-frequency vibration on hard teeth, no vibration on soft gums
9. Adopt Type-C charging interface, convenient and fast
10. Built-in 1500mAh high-capacity battery, long battery life
11. Two kinds of cleaning heads, targeted to solve dental problems