Specification: Item Type: Macro Mechanical Keyboard Material: Acrylic, PCB Usage: Suitable for office, games, music, media, industrial control, laboratory, production line testing and other fields System Support: For Windows, for VISTA, for Linux, for OS X Button Life: Up to 50 Million Times Type: Dustproof Green Shaft Quantity of Keys: 12 Keys Size: Approx. 132 x 77 x 38mm / 5.2 x 3 x 1.5in (L x W x H) Current and Voltage: DC 5V/1A Working Temperature: -10?-50? Package List: 1 x Keyboard 1 x USB Cable Note: This software can only be run on for Windows system temporarily, try to download it on the PC side of the computer, the setting software does not need to be installed, it can be run directly after opening it, and it will be automatically stored on the chain disk after setting, and then plug it into the USB protocol that supports the USB protocol. Use on for Linux, for OS X and other systems (the first time you run it, pay attention to the release of antivirus software and set it as a trusted file)!Portable and easy to use: Type C to USB interface, no driver required, plug and play, the computer does not conflict with multiple keyboards, and is easy to carry. Configurable knob: The knob is also multi-functional, which can be specifically set to play the previous song, the next song, volume up, volume down, pause, play and other functions. Memory function: The keyboard has a storage function, which automatically stores the last setting. After setting it on the for Windows system, it can be used on systems that support the usb protocol, such as Linux, OS X, etc. Multifunctional: Multifunctional mini keyboard, you can set all key functions on the Windows keyboard, and realize complex and complex shortcut keys with one key. Convenience for you: This is a 12-key programmable keyboard with adjustment knobs, you can set shortcut keys to use as an additional auxiliary keyboard, making the operation easy to build orders.