Hot answers tagged itunes
You need a new headset. The symptoms you are describing is due to the "controller" assembly of your headset (the part that has the buttons and the mic) is failing - most likely due to moisture (or some other contaminant) getting in and interfering with the circuitry. I have had this happen to me on several occasions and not just limited to Apple headsets....
Only top voted, non community-wiki answers of a minimum length are eligible