Compact 3Key Mechanical Keypad with Rotary Knob A small, versatile USB mechanical keypad designed to save desktop space while adding precise control to workflows in office, creative, media, industrial, and laboratory environments. The compact form factor makes it easy to carry and integrate into existing setups without extra bulk. Key benefits Space saving and portable: Mini USB mechanical keypad occupies minimal desk area and fits easily into a bag for mobile work. Precise control and tactile feedback: Mechanical switches provide responsive, reliable key action for repeated use. Flexible knob control: A rotatable and pressable knob lets you adjust values smoothly or trigger actions with a push. Fully programmable: All three keys and the knob can be assigned to standard keyboard functions or complex shortcut combinations, reducing repetitive steps and speeding up tasks. Broad compatibility: Suitable for office tasks, gaming, music production, media control, industrial control, laboratory use, production line testing, and creative work such as design and video editing. Features 3 programmable keys: Map any standard keyboard function or multikey macro to a single key for onetouch execution. Rotary pressable knob: Rotate to change parameters and press to perform an action. Common mappings include zoom in and out, track cut, next and previous track, volume up, volume down, play, and pause. USB connection: Plug and play with powered USB port for stable connection in desktop and portable setups. Mechanical construction: Built with mechanical switches for consistent actuation and a satisfying feel during operation. Lightweight and compact: Designed for minimal footprint and easy transport without occupying much space in a bag. Practical use scenarios Video editing: Assign cut, zoom, timeline scrub, and play pause to the knob and keys to speed up editing and reduce reliance on a full keyboard. Music production and live performance: Use the knob for volume or effect parameter adjustments and assign keys for track skip, loop, or play controls during sessions or performances. Industrial testing and laboratory control: Program the keys and knob to trigger test sequences, adjust settings, and log events on a compact control panel that fits beside measurement equipment. What it solves Reduces desktop clutter while adding dedicated, tactile controls for frequent actions. Consolidates multiple keyboard shortcuts into singlekey macros, saving time and reducing repetitive strain. Provides a simple, portable control surface that integrates with a variety of software and workflows. Compatibility and setup USB interface for broad compatibility with desktop and portable systems. All keys and knob are programmable to emulate standard keyboard inputs and multikey shortcuts. Software or driver details depend on the host environment, but the keypad supports remapping for common task and media controls. This compact mechanical keypad is a practical addition for professionals and hobbyists who need precise, portable control for creative, media, industrial, or office workflows.