Apple iPod 20 GB Photo U2 Special Edition Black MA127LL/A (4th Generation)  (Discontinued by Manufacturer) Stores up to 5,000 songs or 20,000 photos; supports AAC Protected AAC, MP3, MP3 VBR, Audible, Apple Lossless, WAV, and AIFF audio formats; and podcast ready Jet black with prominent red wheel and autographs of all U2 members on the back 2-inch (diagonal) 65,536-color LCD with LED backlight Comes white earbud headphones, AC adapter, and USB 2.0 cable Compatible with Mac OS X v10.2.8 or v10.3.4 or later; Windows 2000 with Service Pack 4 or later, or Windows XP Home or Professional with Service Pack 2 or later