Rechargeable Engraving Pen

Product Description:

Name: mini grinder nail grinding machine wireless rechargeable nail removal tool

Adaptable grinding head shank diameter: 2.35MM

Collet depth: 25MM

Speed: 5000-10000-18000 three gears

Power: 8W

Use time: the three gears run for more than 1 hour without load?? if you need to use for a long time?? you can use it while charging.

Battery voltage: 3.6V

Battery capacity: 300MAH

Charging: 30 minutes can be full 80% 60 minutes can be full.

Bare weight: 58 grams