Features: 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, no need to set it again next time. After configuration, it can also be used by connecting to another computer. Multiple keyboards can be connected to the computer and used normally. Simple software operation, setup can be done directly with a Windows system. Nearly identical to a standard keyboard, suitable for most situations and supports some BIOS settings. Supports multiple language options. Detachable key lines allow for easy plug and unplug, convenient for office use and portability. Function introduction: The keyboard cannot be programmed for every possible function, please read carefully. All standard Windows keyboard keys can be customized and fully replaced. One-key shortcut function available, single press replaces multiple key combinations, improving efficiency. One-key macro function supported; pressing one key simulates multiple sequential keystrokes. Each macro key supports up to 34 commands with adjustable interval time, such as one-click password entry. Some multimedia keys can be customized, including volume up/down, next/previous track, play/pause, etc. Parameters: Switch type: Red switch Compatible systems: Windows, macOS, Linux Keyboard layout: Standard Material: Plastic Color: Black Package Contents: 1 x Keyboard 1 x Data cable Note: Light reflection and display differences may cause slight variations between the image and actual product color. Measurement error allowed within +/- 1-3 cm.