You might have realised that Apple have made it impossible for a
good set of headphones to fit into the iPhone and the ones they
supply are not very good for real music lovers. Now you can listen
to your MP3 music in full stereo with your own headphones on your
iPhone.
3.5mm Socket for any Standard Headphones
Stereo Sound
Simply plug in any 3.5mm adapter/jack from your preferred
headphones or FM Transmitter and enjoy high quality
sound.