Im looking for a docking station for my i pod. The one i saw says “Features two 2.25” speakers with 3w each”?

I have no knowledge of docking stations ad speakers. can u tell me if u think this is a good one?
Here’s the direct link for it. http://www.sharperimage.com/Electronics/The+Sharper+Image+Portable+Speaker+System+Dock+For+iPhone+iPod.axd