2.Conect the adapter to Nintendo switch console via included USB data cable, the led will light up in white. 3.Connect the wired or 2.4G wireless mouse to the relevant adapter port, the led light will be red. 4. Connect the wired or 2.4G wireless keyboard to the relevant adapter port, the LED light will turn to Green; 5.
https://www.amazon.com/Keyboard-Adapter-Switch-PC-Mac-Linux/dp/B07N3XC2T9

