Mt Apple Ipod Idock Usb / Firewire Charging Synching Cradle - Compatible G3/G4/G5 Photo/Mini/Nano Supports iPod and Mini iPod w/docking connection Audio jack output, USB or Firewire connections Makes charging and synching simple and convenient Stereo line out for simple connection to speakers or stereo system. The USB 2.0 and IEEE Firewire support syncing and charging.