Experience precision and convenience with our Cordless Engraving Pen, designed for effortless engraving on a variety of materials. Featuring USB charging capability, this mini rotary tool can be easily powered via computer or mobile phone adapters, making it highly portable and user-friendly. The charging indicator clearly shows the charging status, flashing during charging and staying solid when fully charged. Key Features: · USB Charging Convenience: Supports charging through standard USB ports, allowing you to power up anywhere with ease and eliminating the need for bulky chargers. · Adjustable Speed Settings: Equipped with a powerful 10W motor and three selectable speed gears (5000, 10000, and 18000 RPM), this engraving pen adapts to different materials for precise and efficient work. · Compact and Lightweight Design: With a pen-like form factor and weighing only 43g, this tool offers excellent control, comfort, and portability, ideal for detailed engraving tasks on the go. · One-Button Overload Protection: Simplifies speed adjustment with an intuitive single-button control and indicator lights. The tool automatically shuts off power when excessive resistance is detected, protecting the motor and ensuring safe operation. · Versatile Applications: Perfect for engraving on glass, metal, wood, plastic, leather, jewelry, and more, allowing you to personalize everyday items and create unique gifts with ease. Specifications: · Color Options: Silver, Blue, Red · Material: Aluminum and Steel · Charging Voltage: 5V USB · Output Voltage: 4.2V · Power: 10W · Speed: 3 Gears Adjustable (5000-10000-18000 RPM) · Chuck Size: 2.4mm · Battery Capacity: 300mAh · Dimensions: 140 x 15mm (5.51 x 0.59 inches) · Weight: 43g (1.52oz) Package Includes: · 1 x Mini Rotary Tool · 1 x USB Charging Cable · 4 x Grinding Bits · 30 x Diamond Burr Bits · 2 x Storage Box · 1 x User Manual (English) This cordless engraving pen combines portability, power, and precision, making it an essential tool for hobbyists, crafters, and professionals seeking to customize and enhance their projects with detailed engravings.