iPod nano, the mid-range iPod digital audio player by Apple Inc was launched on September 7, 2005, with an intention to replace the iPod mini.The gadget works with iTunes on Mac OS X or Microsoft Windows connecting through the same proprietary dock connector as the previous iPods using a USB 2.0 port on the computer of the user. Even though it uses the same connection as Apple’s FireWire iPod Cable and has the ability to charge the battery over FireWire, the iPod nano doesn’t support synchronizing over a FireWire connection. It comes with a stop watch and a multiple time zone clock function.

IPod nano comes with a measurement of 1.6 in (40 mm) wide, 3.5 in (90 mm) long, 0.27 in (6.9 mm) thick, weighing1.5 ounces (42 grams). The gadget from Apple has a stated battery life of up to 14 hours. It comes with a screen of 176×132 pixels, 1.5 in (38 mm) diagonal, and has the ability to display 65,536 colors. The nano comes in two colors of black and white with two available sizes of 2 GB and 1 GB model.

The decision by Apple to replace iPod mini by iPod nano was considered as a risky move, but the results were really positive. Almost around a million units of it were sold within the first 17 days marking a new history in sales, taking Apple to record billion-dollar profit in 2005. The second generation nano comes with a scratch-resistant, anodized aluminum casing with upgraded battery life from 14 hours to 24 hours and doubled storage size. The latest generation of iPod nano came out in 2007, featuring 2-inch QVGA (320×240) screen and a shorter, wider, heavier design, with new colors. New features like browsing via Cover Flow, a new user interface, video playback, and support for new iTunes Store games were added in the latest version.