Adjustable USB Drill is a compact, pen style rotary tool designed for precision drilling and engraving. This 5 piece set includes drill bits B and is powered by a USB connection for flexible use on a wide range of projects. Key benefits USB powered for flexible use: operate from a computer, USB power bank, or USB adapter, enabling work anywhere with a USB port. Adjustable control for versatility: settings allow you to match speed or torque to the material and task, supporting delicate engraving and light drilling. Allinone pen style tool: combines drilling, engraving, and precision work in a compact hand held form for better control on small projects. Includes a 5 piece set with drill bits B: ready for immediate use on various light tasks. Ergonomic and portable design: lightweight, pen shaped grip provides comfortable handling during detailed work. Key attributes Functionality: drill, engrave, and perform light drilling tasks with the pen style USB tool. Compatibility: designed for USB power sources and standard USB connections; includes drill bits B as part of the set. Size and design: compact, handheld form suitable for precision work and onehanded operation. Performance: adjustable settings to optimize control and results for different materials and tasks. Use cases Fine engraving on wood or plastic for models, crafts, and items. Light drilling and hole preparation on small projects such as jewelry boxes, miniatures, or hobby components. Detail work on slim electronic enclosures or hobby electronics where precision is essential. What you get One adjustable USB drill rotary tool (pen style) Five piece set with drill bits B Care and maintenance Keep the tool clean and dry after use. Store in a protective case or pouch to prevent damage to the tips. Use appropriate USB power sources to ensure stable performance.