They were to replace my horrid GE headphones that had mediocre sound quality and had pads that actually hurt my ears. I work in food service, and Im on my feet 40-50 hours per week in them, not counting the things I do before, and after work. Just like most independent buds the right side is the master so calls and single use can only be done on that side. Also a brief note, if you dont like the nuanced almost pseudo open back sound signature, you can get leather earcups from the steelseries website for superior bass. These will look amazing with dresses, shorts etc. Honestly these are the best headphones Ive ever owned. There were a few things I was looking for in a headset:1. The pulley is silent and well constructed for the price. But I?m just not there so I?m returning them and sticking with the BackBeat Pro 2 set. I like shoes that have a bit of toe room and not super tight.