This isnt a problem when listening to music, but if you are watching a video you can tell that the audio you are hearing is delayed from when it should be heard in the video. 35mm) stereo jack plug. I now wont buy any other brand of shoe except Fitflops. So disappointed and a big waste of my effort. The vice jaws are raised from the metal frame. Still disappointing quality for the price though so Im dropping it to 4 stars. I mean its a hard-shell headphone case, you probably know what to expect. These are bluetooth as well and have a volume button. I use them on a boat for hanging wet clothes and towels, and they work well even in high winds on rails or lines. I asked for help on how to handle this product defect but was never answered.