The system measures 6.5" wide x 6" deep x 2 1/4" tall - with a 7/8" docking port.  Power supply is included.  

There is an additional line-in jack in the back.

This item is in good working condition.  It is cosmetically nice and clean with mild surface scuffs to the face and one small dent on the speaker cover (left side).  Please view the photos for additional details.