I think this might be the thing that enables reverse wireless charging for Airpods/Airpods Pro. You could have your phone and Airpods/APP charging case magnetically connected
essay writer [essaywriter.fun] to the back of your phone in your pocket and have it charging. I imagine Apple wasn’t happy with the “turn your phone upside down on a stable surface and lay your charging case on it” solution that is currently available. MagSafe might be the solution that Apple was looking for to enable it.