Heatz ZM52 Wired Mouse The Heatz ZM51 USB Mouse is more than a basic mouse. It features an easy plug-and-play connection to PCs with a USB cord. The ergonomic full-size design provides a comfortable grip for all day comfort. A high-resolution, 800 dpi optical sensors ensures you'll be gliding smoothly from window to window. Features Compact & Ergonomic Design Plug and play High Precision Solid structure High quality buttons Specifications Interface: Wired USB Resolution: 800 DPI Life span of key stoke : 3 Million Times Battery Required: No Buttons of Mouse : 3D Cable Length : 1.2 M.