1、KNOB FUNCTION: Not only can rotate adjustment, but also can be used as a button, knob can set zoom in and out, cut songs up, volume up, volume down, pause, play and other functions 2、CUSTOM RGB LIGHT: Programming keypad with full RGB light beads, support 7 light effect colors, 5 light effect mode custom settings, useful and practical 3、PROGRAMMABLE KEYBOARD: All keys of the mechanical keyboard are programmable, and all key functions of the for Windows keyboard standard can be set, and complex shortcut key combinations can be achieved with one key. Upgrade the red axes and RGB LED to bring cool feeling and give you a better gaming experience 4、MEMORY FUNCTION: Macro keypad button function can be set by yourself, there is a special setting program, you can repeat the setting. With onboard storage, the settings are saved in the keyboard. You do not need to set the settings again when replacing the device 5、CUSTOM RANGE: Programming keypad support a variety of customization, such as zoom in, zoom out, copy, paste, select all, cut, games, office, music, media, industrial control and so on