Kensington 2.4GHz Pro Fit Wireless Mouse (K72452WW) 2.4GHz Wireless Connection: Using a compact nano receiver, provides the ultimate freedom and mobility for your mouse with a completely reliable wireless connection so you can always be productive 1000 DPI Sensor: The high-definition laser tracks the mouse movements with smooth accuracy for optimal performance and productivity Comfortable, Mobile Design: The two-button, scroll wheel design gives both right-handed and left-handed users the freedom to get the most out of the mouse with contours that allows for pain-free extended usage Pair & Play Installation: Simply pair the mouse with your device and you'll be up and scrolling around your screen quickly with complete control Compatible with Windows and Mac