This design is a lot thinner than it was, yet retains the 2-inch screen, though it is millimeters thinner.
Stepping back to the 1st and 2nd generation designs, it takes the good of the style of the 2nd gen, along with the advancements in the “Fat” 3rd generation versions, and creates a winning design. The 4th Generation Nano has completely redesigned the Nano over the 3rd generation “Fat”, and it feels like it is different on the sides when you hold it comparatively to the older generations. The new line-up comes in a whole array of colors to match the rainbow, and to match your personality as well. The unit has new rounded, contour edges that make it feel thinner than it is and feel right in your hand. The 4th generation Nano, Available in capacities of 8GB, and 16GB (priced at $149 & $199 respectively) these have a scratch-resistant aluminum body and are now slimmer than ever. Stylishly engineered with slim and sleek design, the iPod nano 4th Generation is a perfect companion for frequent travelers. Employing the rechargeable lithium ion battery, this Apple digital player offers up to 24-hours of audio and 4-hours of video playback, on a single charge. Being compatible with most popular formats such as AAC, Protected AAC, MP3, MP3 VBR, etc., for audio, and H.264, MPEG-4 for video and JPEG, BMP, GIF, TIFF, etc., for images, this Apple media player does not restrict you to specific formats, saving you from the hassle of converting files before playing. The 2-inch LCD blue-white LED backlight screen of this Apple digital player produces razor-sharp images with a high resolution of 320 x 240. This Apple media player gives you loads of space to store your favorite tracks, pictures, and videos, for endless fun and pleasure. Engross yourself in high-quality music, videos, and pictures while on-the-move with the iPod nano 4th Generation digital media player.