Traffic Pro Edition 20GB PhatBox Digital Media Player Load your entire CD collection onto the PhatBox with one-click CD Manager Software Schedule downloads from Audible.com to listen to the Wall Street Journal, books, and other leading publications Plays MP3, WMA, CD-Exact, FLAC, and many other digital formats Browse without taking your eyes off the road, as the system announces the playlist, album, artist or genre. Compatible with Traffic Pro Systems