DELL Wired Mouse - MS116 - Black, Ambidextrous, Optical, USB Type-A, 1000 DPI, Black DELL Wired Mouse - MS116 - Black. Form factor: Ambidextrous. Movement detection technology: Optical, Device interface: USB Type-A, Movement resolution: 1000 DPI, Buttons type: Pressed buttons, Buttons quantity: 2, Scroll type: Wheel. Power source: Cable. Product colour: Black