Get a 1GB, up to 240 songs iPod shuffle in the all-new vibrant green color. Clip it to your sleeve, your belt, or your gym shorts for a little music wherever you go. Intuitive controls let you listen without looking: play, pause, move back, skip forward, and shuffle at the touch of a button. And if you think that's easy, wait till you see how iPod shuffle works with iTunes. Just drop iPod shuffle into its included dock, and with just one click, iTunes can automatically fill it with your favorite music. Built-in clip Automatic syncing with iTunes Audio formats supported - AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, and 4), WAV, and AIFF System Requirements - iTunes 7.7 or later, USB 2.0 port, Windows Vista or Windows XP Home or Professional with Service Pack 2 or later, Mac OS X v10.4.10 or later Unit Dimensions - 1.62 x 1.07 x 0.41 (including clip) Unit Weight - 0.55 oz.