BTXETUEL CopyPaste, Search, Backspace, SaveCut, All-in-One 8-Key Keyboard, SayoDevice One-Handed OSU Keypad, Programmable Mechanical Shortcut Macro

[Portable Mini Keyboard] Ultra-compact size and a detachable USB-C cable effectively save desktop space. Mini keyboard (plug and play) and regular-sized keyboards can be connected simultaneously on the same computer without interfering with each other. [Default Functions] The default functions of the three keys are copy, paste, search, backspace, save, cut, all, and enter (Ctrl+C, Ctrl+V, Ctrl+F, backspace, Ctrl+S, Ctrl+X, Ctrl+A, Enter). Plug and play, no software required. Extremely fast workflow. [Other Features] Other functions are also available, including shortcut keys, multi-step operations, multi-key-in-one, undo, redo, play, pause, volume, song switching, forward, and backward. You can control your preferred case light color and gradient mode via software or a website. [Software Programming] This software is for Windows systems only. The Windows firewall may issue a warning during startup. The software is very secure. Software: https://dl.sayobot.cn/setting.zip [Website-specific programming] This website is also applicable to MacOS, Linux, and Windows systems. We recommend using Chrome and Edge browsers to access the website. Website: SayoDevice.com [Device] Programming is saved on the device. There is no need to set it up again when replacing the computer. If you encounter any problems with your keypad, please contact us.