Specification: Item Type: Mini Keypad Material: Acrylic Color: Black Axes Body: Blue switch Key Type: 12 Key mechanical keyboard and 2 knob (knob can be used as a key to press) Applicable: Universal for PC How to Use: Wired Connection: Plug and play Package List: 1 x Keyboard 4 x Non Slip Mat 1 x Data Cable 1 x User ManualKNOB FUNCTION: Knobs can not only rotate and adjust, but also be used as a key. Knob can be set to zoom in and out, the last song, the next song, volume increase, volume decrease, pause, play and other functions. Single handed macro mechanical keyboard is simple to operate, convenient and easy to carry. WIRED CONNECTION WITH RGB: Mini keypad with wired connection, plug and play. Removable USB cable, get rid of cable shackles, more convenient use. The button will have RGB light after connection. PROGRAMMABLE KEYBOARD: All keys are programmable. You can set all the key functions of the standard for Windows keyboard, one key to achieve the complex combination of shortcuts. The customized programmable key functions include 104 regular keys, 8 web navigation keys, 8 multimedia shortcut keys, keyboard lock, and for Windows lock. WIDE RANGE OF APPLICATIONS: The mini keyboard is suitable for office, games, music, media, industrial control, laboratory, production line testing, and many other types of users such as designers and video editors. MINI PORTABLE KEYBOARD: Mini size and portable, effectively save desktop space. You can connect a small keyboard(plug and play) and another keyboard on the same computer at the same time, and they won't interfere with each other.