BTXETUEL Mini 4-Key Select-All Cut Copy Paste Macro Pad Ctrl A X C V Shortcut One Handed Keyboard RGB Gaming Mechanical Keyboard OSU Keypad Programmable Keyboard for Working and Gaming. (White)

• 【Portable Mini Keyboard】 3.5*1.1*1.1in/7.8*2.8*2.8cm 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 will not interfere with each other. 【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 needed.Makes workflow super fast. 【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 gradient mode of the case you want through the software or website. 【Programming by Software】The Software is only for Windows System.Sometimes Windows Firewall will issue a warning when it starts.Don't worry,the Software is very safe! Software:https://dl.sayobot.cn/setting.zip 【Programming by Website】 The Website is applicable to MacOS,Linux and also Windows Systems.We recommend that you try to use Chrome and Edge Browser to access the website! Website:SayoDevice.com 【Device】 Programming will be saved on the device. You don't need to set it up again when you change the computer.If you encounter any problems with the keypad, please contact us, we will help you deal with it as soon as possible.