1. Material: ABS, PC, hardware, electronic components
2. Rated input: 5V/1A
3. Rated power: 5W
4. Interface: TYPE-C
5. Gear adjustment: 2 gears
6. Built-in battery: 1000mAh lithium battery
7. Charging time: 1.5 hours
8. Use time: 40-90 minutes
9. Double gear speed regulation, one key switch
10. Two kinds of alloy grinding heads, which can be used at will
11. Product size: 6.3 x 10.3 cm
12. Product net weight: 152 grams