<P> Macally s mission is to to provide high quality products that exceed expectations and provide an effortless and pleasant interface with PCs. The Macalley iMouse is a single-button USB Mouse for Macintosh computers. The iMouse s ergonomic design and soft responsive click button make it an excellent addition to your Macintosh. A 400 dpi resolution gives you very fine control of the pointer. The USB compatibility makes this mouse incredibly easy to set up - just plug it in, and away you go!</P>