iPod clasic- One size fits all.

What’s in the Box?
iPod classic
earphones
USB 2.0 cable
Dock adapter
Quick Start guide

Requirements:
Mac Requirements
USB 2.0 port
Mac OS X v10.4.11 or later
iTunes 8 or later
internet connection (broadband recommended; fees may apply)
iTunes Store Account

PC Requirements
USB 2.0 port
Windows Vista or Windows XP Home or Professional (service Pack 3 or later)
iTunes 8 or later
Internet connection (broadband recommended; fees may apply)
iTunes Store account

Technical Specifications and Dimensions
Size and Weight
Height: 4.1 inches (103.5mm)
Width: 2.4 inches (61.8mm)
Depth: 0.41 inch (10.5 mm)
Weight 4.9 ounces (140 grams)

Display
2.5 inch (diagonal) color LCD with LED backlight
320 by 240 pixlels at 163 ppi

Capacity
120 GB
Holds up to 30,000 songs in 128 Kbps AAC format
Holds up to 25, 000 iPod-viewable photos
Holds up to 50 hours of video

Audio
Frequency response: 20Hz to 20,000 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, AIFF, and WAV

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, 48 kHz, 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

Battery
Built-in rechargeable lithium ion battery
Up to 36 hours music playback when fully charged

Input and Output
Dock connector
3.5-mm stereo headphone jack