Altec Lansing InMotion™ Plus Portable audio sys. +dock. station for iPod™ You’ve got a gazillion hours of music stored on your iPod but until now you’ve been the only one dancing. Introducing the Altec Lansing inMotion™ portable audio system. This tiny ultra-portable battery-operated stereo system is the first powered audio system designed exclusively for the iPod. A highly efficient Class D amplifier powers four full-range micro drivers to deliver a full spectrum of pure distinct sound while the revolutionary MaxxBass™ technology allows listeners to enjoy deep bass without lugging large speakers around. Best of all connectivity is as easy as placing your iPod into the built-in dock or connecting it through the auxiliary port.Highly efficient digital amplifier (Class D) produces maximum power. High-performance custom-designed neodymium Micro Drivers deliver crystal clear sound. Revolutionary MaxxBass® technology creates deep bass without a subwoofer. Built-in docking station provides same synchronization and data transfer options as your iPod dock (cable not included) and allows you to recharge your iPod. Extra long battery life delivers up to 24 hours of continuous playback with four AA batteries (not included). Lightweight design folds to close at 15 ounces and 8 inches wide 5.4 inches deep and 1.2 inches thick. Convenient auxiliary input jack for connection with other audio devices including laptops older iPods and other MP3 players (3.5mm stereo cable included). Elegant integrated power and volume controls. Headphone jack for private listening.