ipod nano 6g
The sixth iteration of iPod Nano, released in 2010. It is the most radically different model in the series, having no click wheel at all and instead only a touch screen, as well as being a small square shape similar to that of the iPod Shuffle 4G.
It comes in silver, dark grey, blue, green, orange, pink, and red.
This tag implicates ipod_nano (learn more).