IPod
The iPod is a line of portable media players designed and marketed by Apple Inc. The first line was released on November 10, 2001; its most recent redesigns were announced on September 12, 2012. There are four current generations of the iPod: the ultra-compact iPod shuffle, the compact iPod nano, the touchscreen iPod touch, and the hard drive-based iPod classic. Like other digital music players, iPods can serve as external data storage devices. Storage capacity varies by model, ranging from 2 GB for the iPod shuffle to 160 GB for the iPod classic. The devices are controlled by the Samsung ARM and the Apple A4 CPUs.
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