The Philips WACS3500 is the ultimate in audio convenience allowing you to stream, dock and play all your music on one systemYou can play or record your CDs onto the 80GB hard drive, or dock your iPod and listen through the integrated Class 'D' Amplifier and separate compact speakers. The smart 2-in-1 dock will also charge your iPod whilst it plays. For extra flexibility, you can also plug in your USB memory stick to listen to music instantly.Inside the sleek brushed aluminium micro system is the hard drive, to store and playback up to 1,500 CDs. The Philips WACS3500/05 converts your audio CDs into MP3 music files before storing them, and can wirelessly stream music to up to four additional satellite stations (sold separately) anywhere in the home.Adding additional stations is where the wireless benefits of this system become clear. Music Follows Me allows you to transfer a song to another room without skipping a beat, Music Broadcast enables anybody with a station to enjoy the same song or My Room, My Music makes certain you can enjoy personalised play lists on different stations.Music lovers can rest assured the Philips WACS3500/05 is no slouch in the audio reproduction department, either. The Class D digital amplifier processes the signal digitally for quality sound performance.