Philips Fidelio DS3000 Charging Speaker Dock Compatible/Replacement for iPhone Philips DS3000 Compatible with all iPod products with a 30-pin connector (except iPod shuffle)--this includes the newest iPod nano and touch models; also compatible with iPhone, iPhone 3G and 3GS, and iPhone 4 Dig in to your favorite music on your iPhone or iPod while it charges and synchronizes with your PC via USB, and enjoy superb sound quality together with thoroughly unbeatable convenience; let the great tunes go on and on without ever running out of power Neodynium is the best material for producing a strong magnetic field for greater sensitivity in a voice coil, better bass response, and a pure, balanced sound quality Dynamic Bass Boost maximizes your music enjoyment by emphasizing the bass content of the music throughout the range of volume settings--from low to high--at the touch of a button Unit also operates on A/C, with batteries removed.