Tech : iPod Touch Specifications

Size and weight
Height: 4.3 inches (110 mm)
Width: 2.4 inches (61.8 mm)
Depth: 0.31 inch (8 mm)
Weight: 4.2 ounces (120 grams)

Capacity
8GB, 16GB, or 32GB flash drive1
Holds up to 1,750, 3,500, or 7,000 songs in 128-Kbps AAC format2
Holds up to 10,000, 20,000, or 25,000 iPod-viewable photos3
Holds up to 10 hours, 20 hours, or 40 hours of video4

Display
3.5-inch (diagonal) widescreen Multi-Touch display
480-by-320-pixel resolution at 163 pixels per inch

Audio
Frequency response: 20Hz to 20,000Hz
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, 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

Wireless5
Wi-Fi (802.11b/g)
Maps location based service6

Windows system requirements
PC with USB 2.0 port
Windows Vista or Windows XP Home or Professional with Service Pack 2 or later
iTunes 7.7 or later7