This vintage Microsoft IntelliMouse 3.0 PS/2 is a serial mouse with a white color and a maximum DPI of 2000. It features a scroll wheel and two buttons for easy tracking and connecting to your computer. This mouse is factory sealed and ready for use.The Intellimouse is a classic model from Microsoft, perfect for anyone who wants a reliable and efficient serial mouse. Its PS/2 connectivity ensures a stable connection to your computer, while the wired design provides a smooth and seamless experience. This mouse is ideal for use with a variety of devices and is sure to meet all your tracking needs.