Feature 1、CORDLESS CONVENIENCE: It is rechargeable via a Type C interface, allowing for convenient cordless use for up to 30 minutes after a full charge, craft without being tethered to a power source. 2、VISIBLE SPEED ADJUSTMENT: With a premium motor, the engraving pen offers three speed settings ranging from 5000 to 18000 r/min. This feature enables you to easily switch speeds based on your specific needs. 3、MULTIFUNCTIONAL APPLICATIONS: This engraving kit is versatile enough for tasks like engraving, polishing, etching, and drilling. Whether you're working with metal, glass, wood, or ceramics, you can tackle a variety of artistic projects with ease. 4、ERGONOMIC GRIP: The ergonomic handle provides added comfort and stability, allowing for accurate control during use. This design enhances your crafting experience, letting you concentrate on your art without discomfort. 5、COMPACT AND PORTABLE DESIGN: The lightweight and pen style design of the machine makes them easy to carry, allowing you to enjoy crafting wherever you go. Create intricate designs in jewelry making or other hobbies without hassle. Item Type: Engraving Tool Kit Material: Plastic Engraving Pen Battery: 1 x Li Battery Capacity 300MAH (Built in) Rotation Speed: 5000 10000 18000RPM, 3 Speeds Collet Size: 2.35mm / 0.1in Rated Power: 10W. Package List 1 x Engraving Pen 1 x Polishing Drill Bit 1 x Polishing Drill Bit Box 30 x Bit 1 x Bits Storage Box 2 x Hardened Drill Bit 1 x Connecting Rod 3 x Stainless Steel Cutting Blade 5 x Pattern Die 1 x Instruction Manual 1 x Charging Cable Note 1.Clean the body with a soft cloth. 2.Do not use cleaning solvents or detergents. 3.Any accessories for this tool are not replaceable.