I was pleasantly surprised to find these to be completely equal to the quality I have seen and used in actual gyms/fitness centers. I have yet to put the volume all the way up on the controller. Not really an issue since Android Auto shows me a voice button which allows me to give commands. If you have shapely calves, then Id recommend, but if not, I would not get these boots. I dont like over the ear headphones, but I did try them out when he received them and the sound quality is awesome. Love these navy Vionic sandals and the company support was so unexpected. Havent worn out for a length of time to speak on the comfort. Shoes are cute but had I had time to find others, I wouldve returned both pairs. The charging case is great for both transport and keeping them charged in between uses. Those are common issues with all bike racks of this type.