The nano is all about compact convenience without compromise.

As you've noticed, the 8GB iPod nano is half the size of the iPod Classic, but surprisingly enough there's no compromise on its multimedia capabilities. Download the videos, movies, TV shows, or pictures you want to see and hear most and take them wherever you go. With a built-in lithium ion battery that lasts for up to 24 hours playing music or 5 hours for video, you'll never have to worry about a dull moment again.

Apple iPod nano 8GB Features:

8GB of memory
Holds up to 2,000 songs, 8 hours of video, or 7,000 photos
2-inch (diagonal) color LCD display with LED backlight
320 x 240 pixel resolution at 204 pixels per inch
Stores data via USB flash drive
Skip free playback
Free iTunes download
Multiple languages
Earphones
USB 2.0 cable
Dock adapter/connector
port
Stereo minijack port
Quick Start guide
Limited warranty and service
Battery
Built-in rechargeable lithium ion battery lasts for 24 hours of music or 5 hours of video
Recharges via USB to computer or power adapter (sold separately)
Fast-time about 1.5 hours (charges up to 80% of battery capacity)
Full-charge time: about 3 hours
Audio Support:
AC (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
Photo Support:
Syncs iPod-viewable photos in JPEG, BMP, GIF, TIFF, PSD (Mac only), and PNG formats
Video Support:
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

Apple iPod nano 8GB Specifications:

Dimensions: 2.75"H x 2.06"W x .26"D
Weight: 1.74 ounces

System requirements
Mac: OS X v10.4.8 or later with USB 2.0 port,
iTunes 7.4 later
Windows: Vista or XP Home or Professional with Service Pack 2 or later, iTunes 7.4 or later
Broadband recommended