Memorex Mi2290 Travel Speaker System with 30-Pin iPod Connector and Carrying Case, Black Compatibility: iPod mini; iPod nano 1G, 2G, 3G, 4G, 5G; iPod classic 4G, 5G, 5.5G, 6G; iPod touch 1G, 2G, 3G, 4G; iPhone, 3G, 3GS Ultra-portable iPod speaker dock is powered via wall socket or four AA batteries; includes protective travel sleeve Two 1.5-inch neodymium speakers provide 4 watts of full-range sound Auxiliary line input for connecting non-docking iPod devices, CD players, and other MP3 players Backlit LCD display with clock function; works as iPod alarm clock