Display

• 2-inch (diagonal) liquid crystal display with blue-white LED backlight
• 320-by-240-pixel resolution at 204 pixels per inch

Audio

• Skip-free playback
• Frequency response: 20Hz to 20,000Hz
• Audio formats supported: AAC (16 to 320 Kbps), Protected AAC (from iTunes Store), MP3 (16 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, and 4), Apple Lossless, AIFF, and WAV
• User-configurable maximum volume limit

Video

• H.264 video, up to 1.5 Mbps, 640 by 480 pixels, 30 frames per second, Low-Complexity version of the H.264 Baseline Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; H.264 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Baseline Profile up to Level 3.0 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats

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 later

Power and battery⁶

• Built-in rechargeable lithium ion battery
• Playback time
  • Music playback time: Up to 24 hours when fully charged
  • Video playback time: Up to 5 hours when fully charged