1. time delay function: The key time delay setting can be changed to meet more use needs. Multi mode customization: customize 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, and layered switching between different keyboard settings. 2. Knob function: 1 X 360 degree adjustable knob, which can be used to set functions such as page turning, zoom in/out, up and down song switching, volume increase, volume decrease, pause, play, etc., press ON/OFF/LAYER, and other required single key or combination key functions. It is easy to operate and carry. 3. Cool RGB lights: RGB lamp beads support 7 kinds of lamp effect colors and 5 kinds of lamp effect modes for user-defined setting, which have a stronger atmosphere and better use experience. (The light effect is useful only when the USB cable is connected. In order to save power, the light effect is automatically turned off when Bluetooth-compatible wireless is connected.). The switch body can be replaced without welding. 4. The hot plug mechanical shaft body can be used after being plugged in. Effective desktop space saving, 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. Type-C to USB interface, plug and play without driver. 5. Wide application: The keyboard is suitable for office, games, music, media, industrial control, laboratories, production line testing and other fields, and is a good helper for designers, video editors and many other types of users. The operating system for Windows/MAC/LINUX can be used. Interface: Type-C Mechanical Red Shaft; No built-in Battery, a variety of RGB lamp effect, USB power suppl