This is a product that can convert the switching signal of the 3.5mm audio head interface into a product that can customize the keyboard and mouse key functions. For example, the instrument foot switch with 3.5mm is inserted into the 3.5mm plug, and a set key action can be achieved by stepping on the switch

    This is a similar keyboard and mouse computer (and mobile phone) HID input equipment, through the supporting software elfkey can modify the function of the key, often used in the medical industry, industrial industry, personnel office, game assistance and so on.

    As with all HID devices, compatible with windows,MAC, linux, android, IOS, harmonyOS.

    The supporting software elfkey has windows and MAC versions, and some products also provide android and IOS versions.

    elfkey is only used to set the product key function. After setting, you can use it on any computer or mobile phone. You do not need to install or open elfkey.

    This product requires an external 6.5mm audio interface foot or other switching device to use as a trigger function, such as a 6.5mm musical instrument foot switch inserted into the 6.5mm plug, stepping on the switch can achieve a set key action