Recertified: Apple 3rd Gen iPod nano Blue 8GB - MB249LL/A

Holds up to 8 hours (8GB) of video

Skip-free playback
20Hz to 20,000Hz frequency response

Mac system requirements:
Mac computer with USB 2.0 port
Mac OS X v10.4.8 or later
iTunes 7.4 or later5

Windows system requirements:
PC with USB 2.0 port
Windows Vista or Windows XP Home or Professional with Service Pack 2 or later
iTunes 7.4 or later5