About this item【Portable USB Recharging】Our engraving pen is rechargeable,come with USB cable. Crdless using will be up to 30 minutes idling after full charge, easy to help you finish better engraved craft. It can supply by any device with a USB interface【3 Levels Adjustable Speed】Uolor rechargeable micro engraver has 3 levels speeds can be adjustable from 5000-18000 r/min for different materials. This portable and compact etching pen is convenient to take anywhere you want and allows you to enjoy relaxing hand drill jewelry making time【Smart Power-off Protection】Built-in safety protection circuit board and intelligent overload protection chip.When the working resistance is too large,it will automatically cut off the power to prevent from damagin.
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