Altec Lansing inMotion Slim iM500 v4 iPod Nano Portable Docking Speakers

Impressive sound and build quality.  Mains or battery, super thin design. Quality bass without a subwoofer. The inMotion iM500 for the iPod nano is compact, lightweight and super-thin just like your iPod Nano - so you can take it with you, wherever. And it features two custom, full-range drivers, plus built-in bass-enhancement technology for stunning, surprisingly clear sound. You can plug it in or choose battery power. And it syncs and charges your iPod nano