You can connect the mini keyboard (plug and play) and a normal-size keyboard with the same computer at the same time, they will not interfere with each other. The default function of three keys is cut, copy and paste(Ctrl+X, Ctrl+C, Ctrl+V).Plug and play, No software Makes workflow super fast. You can also use other functions, such as Shortcut keys, Multi-step operation, Multi-key in one, Cut, Undo, Redo, Select all, Play, Pause, Volume, Switch song, Forward, Backward, Custom script, etc. You can control the light color and of the case you want through the software or website. The Software is only for Windows System.Sometimes Windows Firewall will issue a warning when it starts.Don' worry, the Software is very safe! Software: https: //dl.sayobot.cn/setting.zip For macOS users, please set on the WINDOWS system first, then connect back to for macOS.Programming will be saved on the device. You don' need to set it up again when you change the computer. type: B-Red axis, No words Material: ABS+acrylic colour: Black Package Contents: 1 x Mini Keyboard 1 x Type C data cable Only 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 +/- 1-3cm.