Features: Revolutionize your control experience with the N4PRO customizable keyboard, featuring an intuitived rotary knob for seamless adjustments of sound,brightness, and settings to enhancing personalization. Designed with programmable keys for extensive layout customization, a durability plastic build for long lasting comfort, and broad compatibility operating systems. Ideal for gamers, programmers, and office professional who demand a tailored rotary knob keyboard to optimize their typing efficiency and workflow. Perfect for extended computing,whether in intense gaming, coding marathons, or daily office tasks, ensuring ergonomic support and reliabled performances. Transform your setup with this versatile programmable keyboard, offering adaptive functionality to elevating productivity and enjoyment in any scenario. Specifications: Component: plastic Size: 137x123mm Features：Visual customization function, with knob design Color: Black/White Package Includes: 1PC N4PRO visual keyboard 1PC USB cable (1.5meters) note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution