The buttons still functioned to turn the music on and off, but the beeping continued throughout. Very comfortable, great for walking No son audifonos de estudio, son para disfrutar musica, peliculas, videojuegos, etc. But it works on my computer so I guess its not so bad! ); a pleasure to wear3. I have tried to contact the company via Amazon to find out where I can purchase replacement caps and all I got back as a reply email was a picture of the rails I purchased. I dont recall any pronounced noise coming from the cross bars on my 2010 Nissan Pathfinder for comparison. I was surprised to see there were no other reviews or YouTube videos that I could find. Mine looked disgusting after less than two hours of use. This rack was almost exactly what I was looking for.