Please choose the remote based on the original remote that you have now. If you have mouse-shape remote, please choose version A. Remote that is not the same as the original will not be paired with the board.
How to pair the remote Version B with the board
1.The remote control and that board are both in a shutdown state
2.Press down the power button of the board until the red light on the button have a quick flash instead of slow flash.
3.Press down the power button of the remote until the remote have two short vibrations and all the battery indicator lights turn on.