The Lenovo Essential USB Mouse is more than your basic mouse. It features an easy plug-and-play connection to PCs with a USB cable. The ergonomic full-size design provides comfortable grip for all day comfort. A high-resolution, 1600 DPI optical sensor ensures you’ll be smoothly gliding from window-to-window.
Lenovo 4Y50T44377. Form factor: Ambidextrous. Movement detection technology: Optical, Device interface: USB Type-A, Movement resolution: 1600 DPI, Buttons type: Pressed buttons, Buttons quantity: 3, Scroll type: Wheel. Power source: Cable. Product colour: White
 Full-size mouse for better grip  Wired USB connection  High resolution at 1600 DPI  Ambidextrous design