1. Wireless use, unlimited feet grinding
2. 3 kinds of alloy grinding heads, more durable, meet different needs
3. Quiet design, no noise motor, strong power
4. Ergonomic design, easy to hold
5. 2 speeds can be adjusted, safe and convenient
6. 1st gear speed: about 5500 rpm
7. Input voltage: DC 5V/1A
8. Working power: 2.5W
9. Battery capacity: 2200mAh
10. Charging time: 1.5H full charge
11. Use time: 3H
12. Charging interface: typc--C
13. Material: ABS+PC
14. Product size: 150 x 45MM
15. Single net weight: 172g
Packing list: host x1, alloy grinding head x3, TYPC charging cable x1, manual x1