3-Speed ​​Cordless Electric Engraving Pen for Home Projects with USB Cable.

1. Circuit Protection: The grinder has an integrated safety protection circuit board and an intelligent overload chip, which automatically cuts off the power when the workload is too high. 2. Built-in Battery: This cordless grinder is rechargeable, has a 2200mAh lithium battery and USB cable, with overload, over-discharge, and overcharge protection, ensuring safety and durability. 3. 3 Speed ​​Settings: This electric grinder has 3 adjustable speeds: 8500 RPM, 16500 RPM, and 21000 RPM, suitable for different materials and meeting a variety of grinding and polishing needs. 4. Easy to Control: This cordless engraving pen has a lightweight frame and an ergonomic handle, providing precise fingertip control, which is convenient and economical. 5. Wide Application: This electric grinder tool operates quietly, making it suitable for various home or craft projects, such as grinding, cutting, engraving, polishing, drilling, etc. 6. Other accessories: This kit includes a grinding pen, grinding discs, cutting blades, sandpaper rings, grinding heads, a drill bit, a metal brush and a jet to meet different operational needs. SPEC: Item Type: Portable Grinder Material: ABS Battery: 1 x 3.7V 2200mAh Lithium Battery (Built-in) 3 Speed ​​Settings: 8500 RPM, 16500 RPM, 21000 RPM Power: 35W Maximum Collet: 3.2mm Charging Time: 2 Hours Package List: 1 x Grinder 1 x Wrench 1 x Cutting Wheel 1 x Rubber Wheel Rod 4 x Grinding Discs 2 x Cutting Blades 2 x Grinding Heads 8 x Sandpaper Rings 2 x Grinding Wheel Heads 1 x 2.35 Chuck 1 x Wool Grinding Head 1 x Drill Bit 1 x Metal Brush 1 x Collet 1 x USB Cable 1 x Storage Box