Vintage Dexxa M-MR49 Wired Ball Mouse

Vintage DEXXA mechanical ball mouse featuring a specialized Bus Mouse (InPort) connector. Product Information: Connector Type - Interface: Microsoft InPort / Bus Mouse. - Pin Count: 9-pin female connector (arranged in a distinct rectangular pattern with a rounded top edge). - Function: Popular in the late 1980s and early 1990s, this connection required a dedicated ISA expansion card inside the PC rather than plugging into a standard serial port or later PS/2 ports. Mouse Details - Brand: DEXXA (a vintage brand heavily associated with Logitech hardware) - Mechanism: Mechanical roller ball tracking - Compatibility: Intended for vintage IBM-compatible retro computers