DURFICST Cordless Rotary Tool, Rechargeable Engraving Pen with 300mAh Battery, Adjustable Speed Electric Carving Pen, Portab

Engraving pen cordless equipped with a 300mAh lithium battery and use up to 3-5 hours after a full charge. The engraving pen has a built-in overload protection chip and automatic power-off protection when the resistance is too high, prolonging the service life of the etcher engraver tool. The speed of the engraver pen for all materials is about 5000-18000r/min, and different rates are used for engraving various applications. This etcher engraver tool is the most suitable for polishing your nails