I have gone through for more headphones (earbuds) then I should. The problem started with the iphone. I first went with cheap earbuds and mic adapters. I work in a woodworking shop and with all the dust and cords getting caught they did not last. or the jack going into the phone would give up the ghost. started with better headphones then just the jacks would go bad. sometimes only 2 to 3 weeks. I finally went to hanging my phone around my neck (changing to an armband next week) because that keeps the cord out of the way. I have not had a set of headphones go bad since. But Now I am dealing with headphones that don't work. I have been happy with the klipsch headphones but that they don't work right. I found they inserted too far into my iphone 4's jack and as I walked the talk button would engage and do all kinds of things. I found a washer of paper with some super glue took care of it and now they work perfectly. I bought some V-MODA Vibe Duo's as I got them for about 20.00 I was very happy with them till I lost them. so I buy two more pairs off of ebay and the button won't work or the mic on either one. I find the jack is way longer then the others by about .02 two hundredths of a inch. after playing I found about 7 pieces of paper (tractor feed edges are great) Let the mic button work but not the mic. I emailed the company and they said well they are not compatible with the iphone 4. Well they are but not for volume of course. so is my phone wacky or have others had this problem? I don't know of anyone else that has a iphone 4 to test them on. they work fine on a 3gs.