Product Features 8 GB capacity for 2,000 songs, 7,000 photos, or 8 hours of video Up to 24 hours of music playback or 5 hours of video playback when fully charged 2.2-inch color TFT display with 240 x 376 pixel resolution Supports AAC, Protected AAC, MP3, MP3 VBR, Audible, Apple Lossless, AIFF, and WAV audio formats Supports H.264 and MPEG-4 video formats; JPEG, BMP, GIF, TIFF, PSD (Mac only), and PNG image formats Technical Details Dimensions: 3.6 x 1.5 x 0.24 inches (90.7 x 38.7 x 6.2 mm) Weight: 1.28 ounces (36.4 grams) Capacity: 8 GB Display: 2.2-inch (diagonal) TFT display Display resolution: 240-by-376-pixel resolution at 204 pixels per inch Frequency response: 20Hz to 20,000Hz Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV Earphone frequency response: 20Hz to 20,000Hz Earphone impedance: 32 ohms Video formats supported: 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 Languages: Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, and Turkish (additional language support for display of song, album, and artist information: Bulgarian, Croatian, Romanian, Serbian, Slovak, Slovenian, Ukrainian, and Vietnamese) Supported VoiceOver languages: Chinese (Cantonese), Chinese (Mandarin), Czech, Danish, Dutch, English (U.S.), Finnish, French, German, Greek, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, and Turkish; other languages are available with the purchase of a supported third-party text-to-speech engine Supported spoken menu languages: Chinese (Cantonese), Chinese (Mandarin), Czech, Danish, Dutch, English (U.S.), Finnish, French, German, Greek, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, and Turkish; other languages are available with the purchase of a supported third-party text-to-speech engine Battery: 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 Battery charge time: Fast-charge time: about 1.5 hours (charges up to 80% of battery capacity); Full-charge time: about 3 hours Mac system requirements: Mac computer with USB 2.0 port; Mac OS X v10.4.11 or later; iTunes 9 or later Windows system requirements: PC with USB 2.0 port; Windows Vista or Windows XP Home or Professional with Service Pack 3 or later; iTunes 9 or later Operating temperature: 32 degrees to 95 degrees F (0 degrees to 35 degrees C) Nonoperating temperature: -4 degrees to 113 degrees F (-20 degrees to 45 degrees C) Relative humidity: 5% to 95% noncondensing Maximum operating altitude: 10,000 feet (3000 m)