Programmable Keyboard: The mini 3 key keyboard is a macro keyboard, and it is equivalent to a standard USB keyboard or mouse, the keys can be configured via software as keyboard, mouse, page turner, Macro, hotkey, shortcuts, string function. The mini keypad has 3 keys so you need to program them individually.
Wireless & USB-C Dual Connection: Simply plug this keyboard to your device via USB port and you can start the configuration according to the user manual. You can finish it within ten minutes. Supports 3 connection ways: Wirelss 2.G (comes with a receiver), Bluetooth and USB wired. Wireless distance: 33 feet.
Rechargable: You can connect the keyboard to your computer via provided Type C to USB Nylon Braided Cable. 2 hours full charge can hold up 3 mouths use. If it is in low battery, the led light will flash interval 3 seconds to remind you.
More than 3 keys: Plug the mini keyboard and open the software, you can see there are 3 rows 9 buttons to set the key value. Simply switch the rows by pressing the "connect" button beside the USB type-C port.
Compatible with Windows, Linux, Mac OS, Android and IOS system. Please set it up on windows system or Mac OS first, then you can freely use it in different device. HID device, you may delete the software after configuration.