Info Mouse Mechanical ball 3 Button -Drivers On 5.25" Floppy for IBM PC AT or XT

New in box Here's What's Inside: Quality Info 3-button mouse. Driver software on 3.5" and 5.25" disks. Easy to follow instructions. Model MUSB The Info Mouse A quality 3-button mouse that's easy to use and is Windows™ compatible. Features and Benefits Selectable 2 or 3-button operation. Compatible with all major application software. Sleek design for smooth operation. Fully compatible with Microsoft and Mouse Systems. • Five-year limited warranty. Specifications 300 DPI resolution. Opto-mechanical encoder. Six-foot cable with DB-9 connector. FCC and UL approved. System Requirements • IBM compatible computer. Serial port. • One floppy disk drive.