Harman Kardon Go + Play Portable Speakers System with Dock for iPod (Black/Silver) Plays: iPod mini; iPod nano 1G, 2G, 3G, 4G; iPod classic 3G, 4G, 5G, 5.5G, 6G; iPod touch 1G, 2G; iPhone 1G, 3G Charges: iPod mini; iPod nano 1G, 2G, 3G; iPod classic 3G, 4G, 5G High-performance portable loudspeaker dock for your iPod with RF remote, auxiliary input, video output, and RF remote Atlas and Ridge transducers provide tight, accurate amplification; DSP equalization provides the Go + Play transducers with cool-running power RF remote control provides the freedom to enjoy your music - easily change tracks, browse libraries and adjust settings