NOTE: Instructions are available after purchase. This keyboard allows for customizable keys, enabling you to replace any standard key on a Windows keyboard. You can set one-key shortcuts to reduce the distance of multiple key presses and use one-key macro operations to simulate pressing multiple keys consecutively. It also supports multimedia functions such as volume control and playback. Both left and right mouse buttons can be customized. Features include: - Plug and play compatibility with Windows (7 and above), Linux, and MacOS no drivers needed. - Memory function for easy setup across different devices. - Simple software operation, requiring only a Windows system to configure. - Supports multiple languages and can handle up to 6 simultaneous key presses. - Non-slip design with optional strips for added grip. - Detachable cable for convenience. Specifications: - Color: Black - Cable Length: 1 meter - Weight: Lightweight - Compatible Systems: Windows, MacOS, Linux Package includes: 1x Keyboard, 1x Data Cable Thank you for your interest. We guarantee product quality and are here to assist with any questions.