Apple Universal Dock

Here are some of the things you can do with the Universal Dock:

Connect the Dock to your computer with the cable that came with your iPod or iPhone, then place your iPod or iPhone in the Dock to sync and charge the battery. No more reaching behind the computer to plug it in.
Connect the Dock to an electrical outlet using a USB Power Adapter, then place your iPod or iPhone in the Dock to charge the battery.
Connect the Dock to a stereo or speakers using a stereo audio cable to play music from iPod or iPhone.
Control playback from a distance using the included Apple Remote.
Display photos or video on a TV or other video device using a Component AV Cable or Composite AV Cable if you have an iPod that plays video.

What's in the Box:
iPod Universal Dock
Apple Remote
Five Dock Adapters that fit: iPod nano (4th and 5th generations); iPod touch (2nd generation); iPod classic (80GB and 120GB/160GB) and iPod with video (30GB); iPhone 3G and 3GS.
User Guide

Apple Universal Dock