The Lenovo Essential USB Mouse is more than your basic mouse. It features an easy plug-and-play connection to PCs via a USB cable. This ergonomic full-size design provides a comfortable grip for all day comfort. A high-resolution, 1600 DPI optical sensor ensures you'll be gliding smoothly from window to window. Full-size mouse for better grip; Wired USB connection; High resolution of 1600 DPI; Ambidextrous design
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