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
Logitech ERGO M575 Wireless Trackball with Smooth Tracking
Logitech Trackman Wheel T-rb22 Wireless Trackball Mouse Ps2 USB Optical Cordless for sale online | eBay