The AirPods won?t even fit in the spot with a case on it. There is not adjustable resistance on this trainer so you will need to shift through your gears to find the right level. so I purchased this specifically for these hikes and it has been great. If you are walking outdoors or in a noisy environment, you wont hear it however, if you are in a hallway or quiet space, it is audible. This item is great! I shouldnt have worried, this are SO warm and very comfortable. These are great as long as you wear heavy gloves when you pull your shoes in and out. But I dont want to get them dirty. Very comfortable and my feet didn?t sweat at all (I was worried again about the plastic). This is something new for me.