Features SAFE AND RECHARGEABLE: The carving tool is rechargeable and come with a USB cable. Miniature engraving pen built in safety protection circuit board and intelligent overload protection chip. When the working resistance is too large, will automatically cut SPECIFICATIONS AND PERFORMANCE: Up to 30W power when working, 3 levels of speed can be adjusted in the range of 5000‑15000r/min, suitable for different materials. The improved high performance 15000RPM motor provides better control and handling compared LIGHTWEIGHT AND PORTABLE: The lightweight aluminum frame and ergonomic grip of electric grinding pen provide you with accurate fingertip control LOW NOISE OPERATING: This electric engraving machine work with very low noise, so there is no need to worry about disturbing the rest of the family PORTABLE AND PERFECT GIFT: The main body of the etching tool is light and small. You can take with you. Super easy to use, the perfect choice for beginners or professionals, allowing you to customize everyday items to create one of a kind personalized ac Specification: Item Type: Electric Grinding Pen Material: ABS and aluminum alloy Battery: 1 x 18650 battery, Battery Capacity: 2000mAh Speed: 5000rpm(low speed), 10000rpm(medium speed), 15000rpm(high speed) Power: 30W Charging Voltage: 5V Idling Time: 4-5 Hours Color: Blue Package List: 1 x Sander 6 x Sanding Head 1 x Wrench 5 x Chuck 1 x Wool Wheel 2 x Grinding Wheel Package List 1 x Sander 6 x Sanding Head 1 x Wrench 5 x Chuck 1 x Wool Wheel 2 x Grinding Wheel