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 used normally. Simple software operation; you can directly set it up using a Windows system. Almost the same as a standard keyboard, suitable for most situations and supports some BIOS functions. Multi-key rollover without ghosting, supports up to 6 keys pressed simultaneously with full response. Key lines are separated, allowing for easy plug and unplug, convenient for office use and portability. NOTE: The keyboard cannot be programmed for every possible function. Any key on a standard Windows keyboard can be remapped and fully replaced. One-key shortcut functions can be set; press once to replace multiple keystrokes, improving efficiency. One-key macro operation can be programmed; pressing a single key simulates multiple sequential keystrokes. Each macro supports up to 34 key entries with adjustable interval timing, ideal for tasks like one-click login. Supports programming of multimedia keys such as volume up/down, next/previous track, play/pause, etc. Left, middle, and right mouse button functions can be assigned, capable of replacing basic mouse operations. NOTE: Since the keyboard case is 3D printed, appearance texture may vary 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 above package content included; other items not included.