1
plug the 2.4G Retro Receiver into your NES Classic Edition
LED
will rapidly blink
2
press 
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