The audio quality is so superior they rival high-end headphones that cost hundreds of dollars more. And you can use the improved remote to adjust volume control music and video playback and answer or end calls on your iPhone.Also compatible with 1st 2nd and 3rd generation iPads.The remote and mic are supported by all models of iPod iPhone and iPad (not all models support volume up/down functions). Audio is supported by all iPod models. Requires software version 1.0.3 for iPod nano (4th generation) 2.0.1 for iPod classic (120GB) and 2.2 or later for iPod touch (2nd generation).