The Micro Innovations PS/2 Roll-n-Scroll 3-Button Wheel Wired Mouse Model #PD96i is a standard mouse with a unique trackball tracking method. This white mouse features a scroll wheel and has a wired connectivity interface. With only 3 buttons, it offers a simple and efficient user experience for navigating on a computer. Perfect for those who prefer a traditional mouse with a trackball design, this model provides a reliable and user-friendly option for everyday use.