This vintage Microsoft mouse is a must-have for collectors and enthusiasts alike. It is compatible with IBM and has both serial and PS/2 connectivity options. The ergonomic design and mechanical tracking method make it a comfortable and reliable choice. The white color adds a touch of retro style to any computer setup. With two buttons, it is a standard mouse that is perfect for use with Windows 3.1 and Windows 95. This mouse was manufactured in Mexico and is new in its sealed packaging. As always, if you have any questions, just ask!