This Dell MS111-P standard mouse is the perfect addition to your computing experience. With its USB connectivity, it's easy to use and compatible with most computers. You can navigate your screen effortlessly with the included scroll wheel. The black color is classic and fits in with any desk decor. This mouse has a maximum DPI of 1000 for precise movements. The optical tracking method is also highly responsive. This is an official, OEM genuine Dell item, bundled with a standard limited warranty.