Apple iPod shuffle 4 GB Silver (3rd Generation)  (Discontinued by Manufacturer) Features 4 GB capacity for about 1,000 songs Up to 10 hours of audio on a single charge Ultra-compact--smaller than a AA battery Supports AAC (16 to 320 Kbps), Protected AAC (from iTunes Store), MP3 Features 1-year limited warranty and single-incident telephone support for the first 90 days