In celebration of the 10th Anniversary of Logitech’s Trackman Marble, Logitech released four new cordless mice today, two of which are from its second generation laser line. All of them have battery ...

Logitech's mice, including the TrackMan Marble and the M750, feature a trackball that enables you to navigate with your finger instead of your hand and wrist. Rolling the trackball with a finger moves ...

I am looking for a new mouse and I was wondering about the Logitech Cordless Optical Trackman. Its one of those with the huge ball on top so that you don't have to move the mouse. What do you call ...