112 Keys and 2 Knobs: This mini custom keypad is designed with 12 keys and 2 knobs. You can set all keys function and quick commands according to your needs for improving working and gaming efficiency. 2Red Switch: This programming macro keypad is featured with red switch and mechanical keys that ensure sensitive feedback and quick response, making your operation more precise. 3Multi Function: This programmable keypad is suitable for office, shortcut keys can help you achieve quick copy, paste, volume control and other functions, but also suitable for gaming, programmable keys can be used for game operation, giving you a smoother gaming experience. 4Widely Compatible: This macro custom keypad is suitable for Win, for Vista, for Linux, for OS X Laptop. And it can be easily connected to your computer. 5Durable ABS: This mini gaming keypad is made from premium ABS material, strong and highly durable, mechanical keys effectively extend the service life. Item Type: Mini Custom Keypad Material: ABS Key Type: Red Switch Mechanical Keyboard (Knob Can be Pressed as a Key) Support Operating System: Suitable for Win, for Vista, for Linux, for OS X Laptop 1 x Mini Custom Keypad 1 x USB Cable