The iPod nano 4th Generation by Apple, is a digital media player that allows its users to store circa 8000 songs on the 8 GB built-in memory module and features 2-inch display. This media device offers a battery duration up to 24 hours. This iPod has dimensions of 3.81 cm width, 9.14 cm height, 0.60 cm depth and 36.85 gram weight.