Best Buy: Logitech Cordless Optical TrackMan Trackball Black/Gray 904369-0403
Repair of Logitech Optical Trackman - YouTube
Logitech Cordless Trackball T-RB22 Work w… - Apple Community
Gave an old friend a fresh coat of paint today. Logitech Cordless Optical TrackMan. One of, if not THE, best trackball mouse of all time. : r/MouseReview