Feature - Quick response - No input delay - Easy to connect and use How to remap keys If you want to remap keys on the keyboard or mouse for your particular needs, Insert your adapter to game console, then connect keyboard and mouse. Connect original controller to boot port ( Note: Make sure your controller is turned off before connecting to adapter), the LED of the adapter turns yellow. Press”F4+F5” on the keyboard, enter remapping modes, and the LED of the adapter turns blue and blink. Press and hold the button you want to set on the controller, then press the button on the keyboard or mouse you want to bind, and then release the button on the controller. To set and bind the next button, repeat the above steps. Press “F4+F5” again at the same time to save the key binding settings. (This is a very important last step that remap keys) NOTE: Wired and 2.4G keyboard and mouse port. This adapter is NOT compatible with Bluetooth mouse and keyboard On for Switch and for Switch lite system, keyboard and Mouse Adapter can boot without original controller connected. Also you can connect keyboard and mouse first, then connect adapter to console, no sequence required. On for Switch lite system, player should purchase a USB3.0 to USB-C adapter another Don't touch the liquid and damage the interface of the keyboard and mouse SpecificationWorking voltage: DC 5V