When you use an iOS device the pause / play button on a Bluetooth headset works normally. On OSX it launches iTunes (seems F8 does the same thing).
Seems a patch for Lion exists but unsure what to do with Mavericks?
http://superuser.com/questions/31925/what-can-i-do-to-stop-the-play-pause-button-from-opening-itunes
Seems a patch for Lion exists but unsure what to do with Mavericks?
http://superuser.com/questions/31925/what-can-i-do-to-stop-the-play-pause-button-from-opening-itunes