Please kindly noted that this item is sold by jindouyunshanghai from Joybuy marketplace. Parts List: 1x Engraving Pen 1x Charging Cable 20x 2.35 Rotary Bits 3x Stainless Steel Cutting Discs (22mm, 25mm, 32mm) 1x 2.35 Tool Holder 2x Engraving Templates Highlight description: [Rechargeable Battery] The engraving pen has an powerful motor, which is suitable for small size cutting, powered by rechargeable 300mAh lithium battery. It can work for 1 hours after 1 hour of full charge. [Adjustable Speed] The rotary tool has 3 gears adjustable speed 5000-18000 rpm making it is 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. [Cordless & Portable] Wireless mini rotary tool with compact body and light weight is comfortable in the hand. Small and lightweight body makes easy to handle for fine tasks and delicate work. [Ergonomic Design] Lightweight and compact engraving pen design make it easy to carry. The non-slip grip adds extra comfort and stable control. It is easy to help you complete a better carving process. [Wide Application] The 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. Detailed description: Specification: Product name: Engraving Pen Power: 8W Voltage: 3.6V Color: rose gold, silver (optional) Battery type: 501550 rechargeable lithium battery Li-ion battery capacity: 300mAh Charging time: 30 minutes 80% 60 minutes 100% Clamping diameter: 3mm (suitable for all 3mm specifications of grinding head, taper drill, chisel, etc.) Charging specification: USB-Type-C (applicable to all USB port batteries) Motor speed: 1 speed 5000, 2 speed 10000, 3 speed 18000 Endurance: more than 1 hour without load in high speed gear Application: engraving, carving, polishing, lettering, waxing, punching, cutting, DIY production Suitable material: for metal, wood, jewelry, walnut, peridot, body, magnolia, diamond, beads, glass, gemstones Note： 1. Please allow 1-3cm measuring deviation due to manual measurement. 2. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! [Rechargeable Battery] The engraving pen has an powerful motor, which is suitable for small size cutting, powered by rechargeable 300mAh lithium battery. It can work for 1 hours after 1 hour of full charge. [Adjustable Speed] The rotary tool has 3 gears adjustable speed 5000-18000 rpm making it is 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. [Cordless & Portable] Wireless mini rotary tool with compact body and light weight is comfortable in the hand. Small and lightweight body makes easy to handle for fine tasks and delicate work. [Ergonomic Design] Lightweight and compact engraving pen design make it easy to carry. The non-slip grip adds extra comfort and stable control. It is easy to help you complete a better carving process. [Wide Application] The 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.