1、Programmable: Support setting all the key functions of standard for Windows keyboard and realize complex combination of shortcut keys with one button. 2、Dual Mode Connection: Support both wired USB and wireless Bluetooth dual mode connectivity, making it more convenient for you to use. 3、Performance: You can connect both a programming keyboard and another keyboard on the same computer and they won't interfere with each other. 4、Knob Function: The knob can not only be rotated and adjusted, but also can be used as a key, which can be set to zoom in and out, switch songs, volume up and down, pause and play and other functions. 5、Application: The keyboard is suitable for office, gaming, music, media, industrial control, laboratory, production line testing, etc. It is a good helper for designers and video editors and many other types of users. 1 x DIY Programmable Keyboard1 x Data Cable 6 x Non Slip Mat 1 x User Manual  Item Type: DIY Programmable KeyboardMaterial: AcrylicAxis Body: Green axisKey Type: 9 key mechanical keyboard and 3 knob (knob can be used as a key to press)Applicable Equipment: Universal for computerBattery Type: Built in 300mAh lithium ion battery (included)