Altec Lansing inMotion iM3C Portable Audio System for iPod (Black) Mobile, portable speaker system for dock-connecting iPods, including iPod mini, iPod nano 1G, 2G, 3G; iPod 3G, 4G, 5G, 5.5G, 6G; iPod touch Built-in docking station holds, charges, and syncs iPod Four 1-inch microdrivers; auxiliary input for MP3 players MaxxBass technology delivers quality bass without subwoofer Measures 8 x 5.5 x 1.1 inches (W x H x D); 1-year warranty