Essentially works like the card key did but when combined with the my Disney experience app it will be your go to place to plan things before and during your trip (FP’s, ADR’s, skipping the lobby desk when checking into the hotel etc) Tons of videos on YouTube that explain how they work.The magic bands. This trip will be my first one using them. It’s been 9years, and then it was the card key. I’m wanting to know how they work and whatever else I need to know.