Rare blue track ball!

The Logitech Trackman Marble Wheel Trackball Mouse T-BB13 in blue offers a unique alternative to traditional mice with its trackball design. This wired mouse features optical tracking method and three buttons for precise control. With a well-known brand like Logitech, users can expect a reliable and high-quality product. This unit is a single blue trackball mouse that can be a convenient option for users looking for a different type of mouse for their computing needs.