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]Our rechargeable -engraver has 3 levels speeds can be adjustable from 5000-18000 r/min for different materials.Press once, 5000r/min. Press twice,10000r/min. Press thrice, 18000r/min. This portable and compact pen is convenient to take anywhere you want and allows you to enjoy relaxing hand drill jewelry making time. [-off Protection]Built-in safety protection circuit board and intelligent overload protection chip.When the working resistance is too ,it will automatically cut off the power to prevent from damaging the electric engraving pen. [Multi-Functional Engraving Kit]This hand engraving kit can be used as an electric engraving machine or a small rotating tool, allowing you to sculpt personalize or decorate almost any surface in seconds, like metal, plastic, glass, ceramic, wood, leather, diamond, stone and many more. [Best Gift Idea]This portable and compact pen is easy to carry around, allowing you to enjoy easy jewellery making time, easy to operate, and suitable for beginners. You can also design gifts for the people you love thanks to its special templated stencils such as Christmas,Halloween ,Birthday, Easter and Ramadan. You can give gifts by processing Wood Metal Glass Plastic Leather products. engraving tool kit Specifiaction Work Rate: 10 Watt Rated Voltage: 4.2 Volts Rotational Speed: 5000 - 18000 r/min Collet Size: 3/32inch 2.4mm For metal, plastic, glass, ceramic, wood, leather, diamond, stone and many more.engraving Color: Silver Material: metal Package Contents: 1 x Engraver Pen 30 x Diamond Burr Bits 6 x Drill Bits 3 x Cutting Saw Blade with 1 Mandrel 3 x Cutting Wheels with 1 Mandrel 1 x Hex Wrench 16 x Stencils 1 x USB Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.