[Ergonomic Design] Lightweight and compact design make the electric engraving pen easy to carry The non-slip handle adds extra comfort and stable control, providing a comfortable experience for precision engraving performance [Rechargeable Battery] The engraving pen has an powerful motor, which is suitable for small size cutting, powered by 300mAh lithium battery It can be charged by USB cable, and can work for a long time after a full charge [Cordless & Portable] Wireless mini rotary tool with compact body and light weight design is comfortable in the hand Small and lightweight body makes easy to handle for fine tasks and delicate work [Wide Application] Cordless rotary tool can be used to engrave wood, stone, peaches, crafts, glass, ceramics, etc It can also be used for carving, sanding, grinding, drilling, cutting and so on [Adjustable Speed] The rotary tool has 3 adjustable speed (5000, 10000, 18000RPM) making it suitable for many different occasions The lowest speed allows you to polish your nails safely, and the highest speed can also be used for metal engraving color:SilverMaterial:MetalPackage Contents:1 x Engraving Pen1 x Data Cable1 x T-Shape Grinding Head2 x 2 35 Shank Bar30 x 2 35 Rotary Drill2 x Drill Bit (1 0mm, 1 5mm)3 x Sanding Discs (16mm, 20mm, 25mm)3 x Stainless Steel Cutting Discs (22mm, 25mm, 32mm)Only the above package content, other products are not included Note: Light shooting 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