Mouse - wired, optical, 1000DPI, 3 buttons, USB, symmetrical , black This HP mouse will accurately and reliably scan the movement of your right or left hand. Its symmetrical, elegant shaping allows everyone to experience the comfort it promises. In addition, the smooth surface of its chassis help keep it clean. Inside, it has a high-end optical technology that accurately senses motion on a number of surfaces without the need to use a mouse pad. It connects to a computer with a standard USB connector.Additional information:What's in the Box:MouseQuick Setup GuideWarranty cardSystem Requirements:Windows XP/Vista/7/8Mac OSX