Microsoft Trackball Optical 1.0 PS2 USB Compatible X05-87475 Wired Mouse

Microsoft Trackball Optical Mouse 1.0 PS2 USB Compatible TESTED WORKS

Microsoft Trackball Optical 1.0 Trackball Mouse X05-87475 USB Wired

Microsoft Trackball Optical 1.0 Mouse X05‑87475 No Ball For Parts Or Repair Only

Microsoft Optical Trackball Mouse USB Wired Black Ergonomic Untested

Microsoft Trackball Optical 1.0 PS2/USB Compat Mouse X05-87475 Red Ball EUC

Microsoft 1.0 Optical Trackball X08-70386 Wired Mouse

Microsoft Trackball Optical 1.0 USB PS2 Compatible X05-87475 & Adaptor TESTED