USB charging electric grinder

Material: ABS
Color: gray/green/red
Diameter of collet chuck: 0.5-3.2mm
Rated power input: 10W
No-load speed: 5000-15000 rpm
Idling time: 2 hours
Polishing working time: up to 1 hour
Output voltage: 3.7V / 10A
Input voltage: DC 5V USB
Package weight: approx. 183 grams

feature:
1. Durable and reliable-small size, light weight, easy to carry, comfortable grip, better control when drilling, easy to use.
2. Speed adjustment-This electric engraving tool has 3 speed adjustments, and the speed adjustment range: 5000-15000 rpm.
3. Complete accessories-equipped with 25 drilling accessories, everything is ready.
4. The perfect grinder-the perfect electric grinder, suitable for cutting, engraving, milling, grinding, polishing, removing and drilling. The grinder engraving kit is necessary for DIY engraving and grinding.
5. Suitable for jade agate, nuclear carving, wood carving, grinding aluminum plate, thin copper plate, plastic board, particle board, printed circuit board, epoxy board, etc.

Package Included:
1 USB electric drill
1 USB cable (5V DC)
1 clamp mandrel
1 rubber wheel
1 tapping rod
1 circular saw blade
2 diamond sharpening pins
2 wool polishing wheels
3 sandpaper circles
3 twist drill bits
5 grinding wheels
6 electric drill bit chucks (0.5mm, 1.0mm, 1.5mm, 2.4mm, 3.0mm, 3.2mm)
1 storage box