Altec Lansing iM11 inMotion Mobile Speaker System for iPod (White) Compatibility: iPod mini; iPod 3G, 4G, 5G, 5.5G; iPod nano 1G, 2G, 3G; iPod touch; 1G Mobile, portable speaker system for dock-connecting iPods; measures 8.5 x 4.3 x 1.4 inches (W x H x D); 1-year warranty Built-in docking station holds, charges, and syncs iPod; MaxxBass technology delivers quality bass without subwoofer Auxiliary input for MP3 player or personal CD/DVD player Because the iM11 is not certified "Works with iPhone," users will have to place it in airplane mode or listen to the GSM interference