Wireless Mini Navigator: The new Genius Wireless Mini Navigator adds more fantastic colors for your personalization. Three stylish colors - ruby, blue and green are very special and eye-catching to fit any mobile users' need. Moreover, each mouse has two extra interchangeable faceplates in these fashion colors: silver and black. The Wireless Mini Navigator not only eliminates tangled cables, but also is smaller in size, lightweight and easy to store or carry. The receiver unit is mini size and you can store it easily in your travel bag. This mouse also offers a power off function underneath the mouse for power saving when not in use.