iPod Classic Second Generation
Touch-sensitive wheel. FireWire port had a cover. Hold switch revised.
iPod Classic Third Generation
First complete redesign with all-touch interface, dock connector, and slimmer case.
iPod Classic Fitfth Generation
Second full redesign with a slimmer case, and larger screen with video playback.
iPod Classic Sixth Generation
Introduced the "Classic" suffix. New interface and anodized aluminum front plate.
iPod Mini Second Generation
Brighter color variants with longer battery life. Click Wheel lettering matched body color. Later replaced by iPod Nano.
iPod Nano First Generation
Replaced Mini. Available in black or white and used flash memory. Color screen for picture viewing.
iPod Nano Third Generation
2" QVGA screen, colors refreshed with chrome back, new interface, video capability, smaller Click Wheel.
iPod Nano Fourth Generation
Revert to tall form and all-aluminum enclosure with 9 color choices, added accelerometer for shake and horizontal viewing.
iPod Shuffle Second Generation
Smaller clip design with anodized aluminum casing. 4 color options added later. Colors were later refreshed twice.
iPod Touch First Generation
First iPod with Wi-Fi and a Multi-Touch interface. Features Safari browser and wireless access to the iTunes Store and YouTube.