Dell Wired USB Mouse Ms111 is with a superior, high-performance optical engine. This advanced, high-performance optical engine of the mouse is able to give you amazing accuracy when you need it, and it is perfectly capable of capturing even the smallest of movements that comes its way. Meant for work and home computing, the Dell Wired USB Mouse is also an ideal choice for anyone who is interested in gaming. The 1000 DPI (dots per inch) ensures that you have precise control every time you use the mouse with pinpoint accuracy. So, if it’s an excellent USB mouse you’re looking to upgrade to, pick up the Dell Wired USB Mouse Ms111.