General description LN COZY CORNER Cordless Electric Engraving Pen is a versatile and portable tool designed for DIY enthusiasts and professionals alike. This USB rechargeable engraver features a lightweight design, making it easy to handle and store. With adjustable speed settings, it allows for precision control across various materials, including wood, metal, stone, plastic, and glass. Technical specifications Battery Capacity: 322mAh Usage Time: Up to 100 minutes on low-speed setting Speed Settings: 3 adjustable levels (5000-18000 RPM) Power Supply: USB rechargeable Usage Engraving, carving, etching, polishing, and grinding Personalized Gifts & DIY Projects: Engrave custom designs, names, and patterns on jewelry, metal keychains, and glassware. Woodworking & Crafting: Ideal for carving intricate designs on wooden furniture and decorations. Jewelry & Metalwork: Create detailed engravings on rings, bracelets, watches, and metal tags. Glass & Stone Etching: Perfect for etching on