HID drive-free, works with Windows 7 and above. After setup, it supports plug-and-play on Linux, macOS, and Windows. Features memory function, so settings are retained for future use without reconfiguration. Once programmed, the device can be used on another computer by simply plugging it in. Supports connection alongside multiple keyboards on one computer.Easy software operation allows direct setup using a Windows system. Functions similarly to a standard keyboard and is suitable for most applications, including compatibility with some BIOS systems.Supports multi-key input without ghosting, allowing up to 6 keys to be pressed and registered simultaneously.Detachable key line enables easy plug and unplug, making it convenient for office or portable use.Note: Not all functions can be customized.All standard Windows keyboard keys can be remapped and fully replaced as needed.One-key shortcut function available—assign a single key to replace multiple keystrokes for faster access.One-key macro function supported—press one key to execute a sequence of keystrokes with programmable delays. Each macro supports up to 34 key commands, ideal for tasks like one-click password entry.Programmable multimedia keys support volume control, track navigation, play/pause, and more.Mouse button functions can be assigned; left, middle, and right mouse buttons can be programmed to replace physical mouse inputs.Note: The keyboard case is 3D printed, so appearance and texture may vary slightly between batches, but this does not affect performance.Switch type: Green switch Compatible systems: Windows, macOS, Linux Type: Custom One-Key USB Programmable Macro Keyboard Color: Black Material: PLA Package Contents: 1 x Custom keyboard 1 x Data cable Only the items listed are included.