Features    

    * A musical Genius.  
    * Rock and roll over.  
    * Let the games begin.  
    * Even your photos rock.  
    * Find your music faster.  
    * Shake your groove thing.  
    * World’s biggest small screen.  

Audio Playback    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  
Video Playback    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  
Display    

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

Storage    8 GB  
Input    Dock connector  
Output     3.5-mm stereo headphone jack  
PC Connectivity    USB 2.0 port  
PC Compatibility    

    * Mac OS X v10.4.11 or later  
    * Windows Vista or Windows XP Home or Professional with Service Pack 3  

Battery    Built-in rechargeable lithium ion battery  
Battery Life    

    * Music playback time: Up to 24 hours when fully charged  
    * Video playback time: Up to 4 hours when fully charged  

Dimension (WHD)    38.7mm (W) x 90.7mm (H) x 6.2mm (D)  
Weight    36.8 gr