Altec Lansing InMotionâ„¢ IM9 Portable Speaker system for any dockable iPodâ„¢.Extreme Sound. Rugged Portability.Huge crystal-clear sound with large speakersAC or Battery-operatedCharges your iPodMaxxBass TechnologyRetractable DockShock-resistant designVideo Output for iPod photo and new iPod videoDeluxe Backpack includedYou can't count on every room to have concert hall acoustics. That's why the iM9 speaker system is such a good choice for the dorm room or any room. It's compact so it fits just about anywhere and is easy to carry. And it delivers high-volume high quality sound even in less-than-ideal surroundings. Shock-resistant elements ensure durability. It comes with a rugged backpack-style carry bag. And it fits syncs and charges all dockable iPods and links iPod video and iPod photo players to a TV set.