The Logitech Trackman Wheel Mouse Optical T-BB18 804360-1000 Silver is a trackball mouse designed for precision and comfort. With a maximum DPI of 2000 and optical tracking method, this mouse allows for smooth and precise cursor movement. The silver color and sleek design add a touch of style to your workspace. This wired USB mouse features a scroll wheel for easy scrolling and has 3 buttons for convenient navigation. Made by Logitech, a trusted brand in computer peripherals, this mouse is reliable and efficient for everyday use.