Capacity: 80 GB hard drive
Song capacity: Up to 20,000 (128-Kbps AAC format)
Photo capacity: Up to 25,000 iPod-viewable photos
Video playback: Up to 100 hours
Display: 2.5-inch full color LCD with LED backlight, 320 x 240 pixels
Audio frequency response: 20 to 20000 Hz
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, WAV, and AIFF
Video formats supported: H.264 video, up to 1.5 Mbps, 640x480 pixels, 30 fps, Low-Complexity version of the H.264 Baseline Profile with AAC-LC audio up to 160 Kbps, 48 kHz, stereo audio in .m4v, .mp4, and .mov file formats; H.264 video, up to 2.5 Mbps, 640x480 pixels, 30 fps, Baseline Profile up to Level 3.0 with AAC-LC audio up to 160 Kbps, 48 kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video, up to 2.5 Mbps, 640x480 pixels, 30 fps, Simple Profile with AAC-LC audio up to 160 Kbps, 48 kHz, stereo audio in .m4v, .mp4, and .mov file formats
Earphone frequency response: 20 to 20000 Hz
Earphone impedance: 32 ohms
Battery: Built-in rechargeable lithium-ion battery; charging via USB or power adapter (not included)
Battery life for audio playback: Up to 30 hours
Battery life for video playback: Up to 5 hours
Battery charging time: Fast-charge time: about 2 hours (charges up to 80% of battery capacity); full-charge time: about 4 hours
