Plays music, videos, and photo slideshows.  Up to 14-hours of musci playback with rechargeable lithium-ion battery.  Includes iPod, earphones, USB 2.0 cable.  Requires Mac or PC; USB 2.0; Mac OS X v10.3.9, Windows 2000 (SP4), or Windows XP Home or Professional (SP2)*; iTunes 7*; Internet access**