Connect the dock to the mains plug or to a computer using a the cable for fast, dock based charging.
*Connect the "Line Out" to your computers line in to route audio/speakerphone calls through your computer speakers
*Connect speakers to the dock using the included "Line Out" socket
This usb Cable is perfect for those Compatible with:
Apple iPad, iPad 2 ipad 3
Apple iPhone 2G, iPhone 3G, iPhone 3GS, iPhone 4 4s
Apple iPod Touch, iPod Classic, iPod Mini, iPod Nano