The Logitech Trackman Live M-RD37 Wireless PS 2 Presentation Air Trackball Mouse S42 is a sleek and reliable mouse that offers a unique trackball experience. With a maximum DPI of 2000, this mouse allows for precise and smooth cursor movement. Its wireless connectivity via USB provides freedom of movement without sacrificing performance. The black color and Logitech brand ensure a quality and stylish design for any computer setup. Ideal for those looking for a comfortable and efficient pointing device, this trackball mouse is a great choice for both work and entertainment.