BTXETUEL Mini 4-Key Keypad WASD Arrow Key Keycaps Keyboard One-Handed Mechanical Gaming Keypad Programmable USB-C Customized Keyboard for Working or Gaming (White, X-B Keycaps)

Portable Mini KeyboardUltra-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 functionThe default function of four keys is Up, Left, Down, Right. Plug and play, No software needed. Makes workflow super fast. Other functionYou 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 SoftwareThe 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. zipProgramming by WebsiteThe 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. comDeviceProgramming 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.