Ergonomic Design: Precisely engineered to conform to natural finger movements, this one-handed mini keypad reduces strain and improves accuracy during intense usage sessions.;Multi-System Compatibility: Operates across Windows, macOS, Linux, Android, and DOS platforms – configure via PC or Mac first, then deploy across compatible devices without driver installation.;Programmable Macro Keypad: Assign custom functions including key combinations, shortcuts, mouse clicks, or text strings through intuitive FootSwitch software, enabling automation and quick access.;RGB Backlighting: Bright, customizable backlighting ensures clear visibility of keys in dark environments and adds a dynamic visual element to your workstation.;Wide Range of Applications: Supports gaming, music performance, laboratory instrumentation, industrial control, and office automation, making it a versatile tool for professionals and enthusiasts alike.;Designed for maximum efficiency in minimal space, this 3-key mechanical gaming keyboard combines ergonomic excellence with advanced programmability. Measuring 75x37x28mm, it fits comfortably in hand and on any desk. Each key is equipped with a durable mechanical switch and customizable RGB backlighting. Through FootSwitch software, users can define macros for complex commands, transforming three simple keys into a powerful control center. With support for multiple operating systems and connection modes, it adapts seamlessly to any environment – whether gaming, creative production, or technical operation. r nWe strive to offer you first-class customer service. No matter what challenges you face, our professional team will work hard to solve them and ensure you have a pleasant shopping experience.