I?m super happy with these headphones so far. This isnt professional quality, and Im not a professional, but the mount is stable, flexible, and works as described. I was not disappointed. He?s got twin 5-year-olds from his failed marriage to a costar, a nanny who just quit, and an ex-wife who is out of town so she can?t pick up any of the slack. My son has converted me to these types of ear pieces. I ordered this two months ago. I got like 5 renpure products this month. There is no position you can install the phone that the clamps wont press on the button on the each side of the phone. El próximo año buscaré una ventosa. Nice clog.