Eton Sound 50 Speaker System for iPod (Astro Black) Seamless playback of all audio from your iPod in room-filling, hi-fidelity sound Dual twin full range drivers and micro tweeters to provide balanced sound across the entire frequency range Integrated LED power and volume indicators Provides full control of iPod via remote Compatibility: iPod nano (1G only), iPod mini, 4G iPod with click wheel, iPod Color, iPod Video