Atari Flashback System with 2 Remotes (not working), 1 Remote Built-in Games

Atari Flashback system. SOLD AS IS. The separate system has two battery remotes but the remotes don't work, the system turns on and see picture 2 to show that it does turn on and show on the TV but even with new batteries the remotes don't work. Has adapter and av cables. Also getting a separate system that looks like a remote that needs batteries to run and has av cords and it also turns on, see picture 4 to show it is on the TV, AND it plays - see videos below. Video 1: https://youtu.be/AqTRC0GsQ20 Video 2: https://youtu.be/gKnXbrzQJ7U Video 3: https://youtu.be/sGqZOkFI7z8