HID drive-free, after setting up on Windows 7 and above, it can be plug and play on Linux, macOS, and Windows. With memory function, you don't need to set it again next time. After configuration, it can also be used by plugging into another computer. The computer can be connected to multiple keyboards and can be used normally. Simple software operation; you can directly set it up using a Windows system. Almost identical to a standard keyboard, suitable for most applications and supports some BIOS functions. Supports multi-key input without ghosting, allowing up to 6 keys to be pressed simultaneously with full response. Detachable key cable allows for easy connection and disconnection, convenient for office use and portability. NOTE: The keyboard cannot be programmed for all possible functions. Any key on a standard Windows keyboard can be remapped and fully replaced. One-key shortcut setup available—press once to replace multiple keystrokes, improving efficiency. One-key macro function可 programmable—single key press simulates multiple sequential keystrokes. Each macro supports up to 34 key entries with adjustable delay intervals, ideal for tasks like one-click password entry. Configurable multimedia keys include volume control, track navigation, play/pause, and more. Left, middle, and right mouse button functions can be assigned, replacing basic mouse operations. Note: Since the keyboard housing is 3D printed, appearance texture may vary slightly between batches, but this does not affect performance. Switch type: Green shaft 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; other products are not part of this package.