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. Nearly identical to a standard keyboard, suitable for most applications and supports some BIOS functions. Multi-key rollover without ghosting, supports up to 6 keys 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 allows single-press activation of multiple keystrokes, reducing complex key combinations. One-key macro programming available; pressing one key can execute a sequence of keystrokes with customizable timing. Each macro supports up to 34 keystrokes with adjustable delay intervals, 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, effectively replacing basic mouse operations. Note: The keyboard housing is 3D printed, so appearance 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; other accessories are not part of the package.