Available in nine vibrant colors, the new fourth generation iPod nano — the thinnest iPod ever — features a sleek new design with a curved aluminum and glass enclosure. It also incorporates Genius technology and features a built-in accelerometer that automatically switches to Cover Flow when rotated and automatically goes into Shuffle mode when lightly shaken. iPod nano (4th generation) comes in 8GB and 16GB models, starting at just $149.

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