1
Plug the 2.4G Retro Receiver into your NES Classic Edition
2
Press start button
on your controller to connect to the Retro Receiver
LED 
will be solid blue when connection is successful
3
if connection is lost or you wish to pair with a new retro receiver, press and hold 
on the controller for 3 seconds
LED will rapidly blink
LED will be solid blue when connection is successful