1. Need to use windows system for custom settings2. Support hot swap3. Four sets of definitions can be set and switched freely4. Axis switch color: blue5. This is a mini keyboard with custom functions, used in design, stock, office, game, music, media, industrial control, testing and other fields.6. Support onekey copy and paste7. Wired TyPeC interface, no driver required, plug and play8. Metal knob, onehanded control of music cutting, volume, pause, previous song, next song, zoom in and out, previous page and next page.Common troubleshooting:Problem 1: There is no response when the keyboard is connected to the computer, or the device prompts abnormally.Solution: Check whether cable and interface are connected properly, and then plug and unplug again; replace the USB on the computerReinsert the connector.Question 2: After the custom software is downloaded, it cannot be opened.Solution: Check whether it is blocked by software and set it as a trusted file. Question 3: Why is the button or knob always "a" after connecting to the computer?Solution: Output a is the normal factory setting, open the custom software to redefine the button function.Colour:blackMaterial:ABS+Acrylic+MetalSize:8.7 x 5.7 x 4cmPackage Contents:1 x keyboard1 x usb data cable1 x USB adapter1 x Instructions in Chinese and EnglishOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.