Klipsch iGroove HG All-in-One iPod Shelf System Convenient all-in-one iPod speaker that delivers audiophile-quality sound everywhere you need it Dual 2.5-inch woofers in ported enclosure, premium crossover networks and dual 1-inch MicroTractrix Horn-loaded tweeters Included IR handheld remote handles full system control; integrated handle makes toting it around a breeze Compatibility: iPod nano (1G only), iPod mini, 3G iPod, 4G iPod with click wheel, iPod Color, iPod Video Works with most all MP3 player brands, as well as any gadget that has an audio out or headphone jack utilizing a standard miniplug