How to add bluetooth A2DP audio music streaming from your smartphone to your Fiat 500 stereo

How to add bluetooth A2DP audio music streaming from your smartphone to your Fiat 500 stereo. Just use a small, USB bluetooth receiver available from many places including Amazon at:

http://www.amazon.com/gp/product/B00AMXW8BO/ref=as_li_ss_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B00AMXW8BO&linkCode=as2&tag=persimprbookc-20