Only .27 inches thin and 1.5 ounces, iPod nano packs a lot into its diminutive design. Up to 14 hours of battery life(1). 2GB or 4GB of storage.(2) A bright color display. The Apple Click Wheel. A Dock connector that fits an entire ecosystem of iPod accessories. With so many features like these, iPod nano can change the way you listen to music -- and more. Click on a feature to see it on the iPod nano display, then read about it here.