Altec Lansing inMotion iM600 USB-Charging Portable Speaker System with FM Receiver for iPod (Black) Compatibility: iPod mini; iPod classic 3G, 4G, 5G, 5.5G, 6G; iPod nano 1G, 2G, 3G, 4G; iPod touch 1G, 2G; auxiliary input connects to any CD, DVD, or MP3 player using a stereo mini-plug inMotion system offers big, crystal-clear sound for iPods Dual 2-inch neodymium drivers optimized for high-frequency sound; Expanded Sound Stage (ESS) technology for greater stereophonic image Distinctive thin and elegant glossy-black look to match iPod design; rechargeable battery offers 7 hours of continuous play; includes AC adapter Measures 11 x 1.7 x 6 inches (W x D x H); weighs 2.1 pounds; 1-year warranty