Funny Box in Glove Box

[Yelekreb]

Any ideas what this funny box thing is? The top comes off and it seems to be an entrance to the dark world of 'under the dash'. Any rational explanations as to it's function?

 

[CaliforniaDAN]

This is where the adaptor for ipod connector fits. There are a a couple of different types to fit depending how much info you want t display on your radio/cd/satnav unit.