Sitting model is suitable for use with office chair or sofa . It comes with the highly polished chrome finish and castor wheels for easy mobility. This model is made for the Apple iMac (Intel Core Duo & G5) model. The iGo has a new turnable that allows the iMac to be swiveled 360 degrees for easy access to the ports at the back of the iMac. The new iGo also has 2 coffee cup holders as additional features.