3.7V, 500mA lithium battery
1. On/Off switch.
2. Waterproof function:IPX7
3. Sound waves shaking 31,000 times per minute
4. 5 vibration modes
5. Charing time: 1.5~2 hours
6. Output time: 30 days
7. With working/charging indicator light
8. Battery overcharge protection
9. 2 Minute work timing function
10. 30 second area reminder function
11. Low battery reminder
12. Memory function
Include: Three brush heads (Dupont brush), Type - C charge line