I also discovered that the hitch lock on my 2in receiver Yakima rack fits the same threads as well. They pretty clearly state this fact on the product page so I wasnt surprised by it, but wanted to verify that is the case. So when I tried to turn up the volume, I usually push the mute button. Probably couldve found them cheaper online but too late now. Overall she is very happy with them, loves the colour, and how super light & flexible and easy they are on her feet, the only downside is the tab on the back that has Net520 printed on, but then they are fairly cheap. Asked to have order processed as long as can guarantee it will be the bundled with charging pad as originally promised with preorders. I bought the Turtle Beach earbuds but those were so uncomfortable after a while (my ears hurt so bad). Honestly I just felt the need to put something down as a con or else it looks like Im just a paid spokes person. I needed to reformat them from iTunes to mp3 format, which I?m not sure can even be done. FYI i cut off the straps as they felt annoying and constrictive worked out great