Keyboard and Mouse Adapter With Audio For Switch/Xbox One/PS4/PS3

Function: 1.Press the keyboard F4 F5 at the same time to enter the function mode of setting the keyboard and mouse buttons (LED green light) 2.Press and hold the function button you want to set on the original controller, then press the button on the keyboard or mouse you want to set, and release the button on the original controller and the button on the keyboard or mouse. 3.After the setting is completed, press F4 F5 on the keyboard to save the current setting and exit the setting mode. 4.For example: press F4 F5 to enter the setting mode, press and hold the original SWITCH controller A key, and then press the keyboard F key to release the original SWITCH controller A key. The function of the controller A key.