A well-designed trackball is easier on your wrist and forearm than a mouse, because you don't need to move it around your desk. Plenty of trackballs are on the market, but few are in a class with the ...

This device is just like the Logitech TrackMan Wheel except that it comes with a double-A battery and a receiver in place of a cord. Plug the receiver into your computer's USB or PS/2 port, and press ...

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 ...