casstaly Mini 4-Key Select Copy Paste Cut All Macro Pad Shortcut One Handed Keyboard RGB Gaming Mechanical Keyboard OSU Key Easy Install Easy to Use

[Default function] The default function of three keys is select all,cut,copy and paste(Ctrl+A,Ctrl+X,Ctrl+C,Ctrl+V).Plug and play,No software Makes workflow super fast. [Portable Mini Keyboard]Ultra-small size,attached detachable USB-C cable,effectively saves desktop space. You can connect the mini keyboard (plug and play) and a normal-size keyboard with the same computer at the same time, they not interfere with each other. [Other function] You can also use other functions, such as Shortcut keys, Multi-step operation, Multi-key in one, Undo, Redo, Play, Pause, Volume, Switch song, Forward, Backward, etc. You can control the light color and of the case you want through the software or website.