This adjustable USB drill is a compact, multifunction rotary tool designed for precise work. The 5piece set includes a USB drill/engraver pen and drill bits, offering a versatile solution for engraving and light drilling tasks. The tool provides adjustable speed for precise control and a penstyle grip for comfortable operation. Powered by USB, it can be connected to a computer, power bank, or USB adapter, enabling use in the workshop or on the go. This is the B version of the product. Key benefits Versatile tool for engraving and drilling in a single compact device. Adjustable speed enables precise control for delicate work. USB powered for cord operation and easy power sourcing from a computer, power bank, or USB adapter. Penstyle design supports comfortable handling and detail work. 5piece set includes drill bits, providing essential accessories for immediate use. Key attributes Functionality: USB drill and engraver pen with adjustable speed, designed for drilling with drill bits and engraving tasks. Compatibility: USB powered; suitable for use with USB power sources such as computers and adapters. Size: Penstyle, compact form intended for precise, fiddly tasks and easy maneuvering. Material: The listing specifies the product features but does not detail the material composition. Performance: Aimed at lightduty, precision work in crafts and hobby projects, combining engraving and drilling capabilities. Use cases and applications Engraving names, logos, or decorative designs on wood or plastic surfaces with fine control. Drilling small holes or making shallow cuts in soft materials such as plastics or lightweight composites. Detailed model making, jewelry, and craft projects where a compact, handheld engraving and drilling tool is advantageous. Note This description reflects the product as described: an adjustable USB drill in a 5piece set, functioning as a USBpowered rotary tool and engraver pen, with drill bits included (B version). No additional specifications beyond the listed features are provided.