This is the 3rd incarnation of the iPod Nano and is a lot more compact than it's predecessors being only 70mm in height, 52mm wide and 6.5mm thickness. It weighs in at 49.2 grams which means it's slightly heavier than the 1st and 2nd generation Nano's.
The iPod shuffle metal is the 2nd generation mp3 player from Apple. It is of truly tiny stature at less then half an inch thick and little more than one and a half by 1 inch in size.
The iPod shuffle is the 512MB solid state MP3 player from Apple. It's older brother comes with 1GB of memory and is known as the M9725LL/A. The shuffle gets its name from its ability to randomize the order songs are played so you get a different play list every time.
The iPod Nano is Apples latest MP3 player available in 2GB and 4GB version. The big buzz around the Nano when it was released was it's tiny size. As slim as a pencil at only 0.27 inches it makes it the ideal size to slip into your pocket. The Apple iPod Nano also has a 1.5 inch LCD color backlit screen which you can use to view photos in a variety of formats such as JPEG, BMP, GIF, TIFF, PSD and PNG.