Apple iPod 4 GB mini M9806LL/A (Green)  (Discontinued by Manufacturer) 4 GB model holds up to 1,000 songs; supports MP3, AAC, WAV, MP3 VBR, Audible (6), and AIFF formats Mac and Windows compatible; FireWire and USB 2.0 interface for fastest digital transfer available 1.67 inch (diagonal) backlit screen displays full song names and more Up to 18 hours of battery life Comes with earbud headphones, belt clip, and USB 2.0 cable