http://www.mp3-box.org/cd-mp3-adapter/
Choosing the Right Mobile Tool For the Job
If you were going on a vacation and you could only take one gadget, what would it be? How about if it’s a business trip? Which is a better mobile computing device–a notebook? A netbook? A tablet? The thing is, not only is the choice for “best” a matter of subjective opinion, but the reality is that each mobile gadget fills a role and you have to select the tool that best fills the role you need …
GROM-USB2 mp3 CD-changer adapter with Audi Concert (Audi A3 2004)