1. Time delay and multi mode time delay function: The key time delay setting can be changed to meet more use needs. Multi mode : any key scenario one key game action music switching/volume adjustment multimedia control fast forward and fast backward one key password one key to open web pages one key to open files code copy and paste layered switching between different keyboard settings 2. RGB lighting 7 colors and 5 lamp effect modes for user defined setting, providing a stronger atmosphere and better use experience. The light effect is active only when the USB cable is connected; to save power, the light effect automatically turns off when Bluetooth wireless is connected. The switch body can be replaced without welding. 3. Knob function 1 x 360 degree adjustable knob, usable for functions such as page turning, zoom in/out, up and down song switching, volume up, volume down, pause, play, etc. Press ON/OFF/LAYER for additional single key or combination key functions as required. Easy to operate and carry. 4. Plug and play hot plug mechanical shaft The hot plug mechanical shaft body can be used after plugging in. Space saving desktop design with removable USB cable. You can connect the keypad (Plug and Play) and another keyboard on the same computer at the same time without interfering with each other. TypeC to USB interface, plug and play without driver. Practical use scenarios Gaming and macros: assign one key for specific game actions, combine with time delay settings and layered keyboard profiles to streamline complex actions without delay. Multimedia and productivity: use the knob and hotkeys for quick page turning, volume control, play/pause, copy/paste, open files or web pages, and switch between keyboard profiles for different tasks. Coding and workflow efficiency: apply copy/paste and coderelated shortcuts, switch between keyboard layers for programming tasks, and manage multiple input devices on the same computer without interference.