Customizable Knob Keyboard: Tailor your experience. Three knobs can be adjusted for various functions, providing precise control over your workflow. Supports Multiple Operating Systems: Universal compatibility. Works seamlessly with Windows, Linux, OS X, and other systems supporting USB protocol. Plug and Play: Immediate functionality. No need for additional drivers or software, simply connect and start using. Programmable Macro Functions: Enhance productivity. Customize your keyboard to perform complex tasks with a single press, increasing efficiency. Ergonomic Design: Comfort in every keystroke. Designed with ergonomics in mind, this keyboard promotes natural hand positioning and reduces strain. Experience the ultimate in customization with our knob keyboard, supporting multiple operating systems for universal compatibility. With plug-and-play convenience and programmable macro functions, it's the perfect tool for increased efficiency, all wrapped in an ergonomic design for comfort.