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 identical to 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. Detachable key line allows for easy plug and unplug, convenient for office use and portability. NOTE: The keyboard cannot be programmed for all functions. Any key on a standard Windows keyboard can be remapped and fully replaced. One-key shortcut setup allows single press execution of multiple key combinations, improving efficiency. One-key macro function can be programmed; pressing one key simulates multiple sequential keystrokes. Each macro can be up to 34 keystrokes long with adjustable interval time, such as one-click password entry. Supports programming of multimedia keys including volume up/down, next/previous track, play/pause, etc. Left, middle, and right mouse buttons can be programmed to replace mouse functions. NOTE: Since the keyboard case is 3D printed, appearance texture may vary 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 above package content is included; other items are not part of the package.