HID drive-free. After setup on Windows 7 and above, it supports plug-and-play on Linux and macOS. Features memory function — settings are retained and do not need to be reconfigured when connected to another computer. Multiple keyboards can be connected to one computer simultaneously and operate normally. Simple software operation — setup requires only a Windows system. Designed to closely resemble a standard keyboard, suitable for most use cases and compatible with some BIOS environments. Full N-key rollover — supports up to 6 keys pressed simultaneously with full responsiveness. Detachable key cable for easy portability and office use. All standard Windows keyboard keys can be remapped entirely. One-key shortcut functionality — assign complex key combinations to a single key press. One-key macro support — configure a single key to execute multiple keystrokes sequentially, with customizable delay intervals (e.g., for auto-typing passwords). Supports programming of multimedia keys: volume control, media playback/pause, track navigation. Left, middle, and right mouse button functions can be assigned to keys. Note: The keyboard housing is 3D printed; surface texture may vary slightly between batches, but functionality remains unaffected. Switch type: Green switches Compatible systems: Windows, macOS, Linux Type: Custom USB Programmable Macro Keyboard Color: Black Material: PLA Package includes: 1 × Custom keyboard