Wireless Mobile Mouse with Blue Trace Mobile compact design with textured side grips for right- or left-handed users, provides seamless point and click interaction with reduced wrist fatigue 1600 dpi Blue Trace technology for more precise, swift and reliable cursor movement with easy text selection 3 buttons including a built-in scroll wheel for easy navigation so you can speed through long documents or web pages Consistent wireless connection with reliable 2.4GHz technology with self-storing Wireless USB Nano Receiver -wireless range: 20 ft / 6 m Smart power management with, wake up, ON/OFF switch and low battery indicator Enhanced tactile button and tracking feedback for high-volume workload Aesthetically designed two-tone style brightens up your home or office Compatible operating systems: Windows XP, Windows Vista or Windows 7 , Windows 8. Mac OS X 10.X or later