Key SpecificationsConnectivity: Uses a stable 2.4 GHz wireless connection with a USB nano receiver.Operating Range: Works from a distance of up to 10 meters (33 feet).DPI Resolution: Features an adjustable optical sensor up to 1600 DPI (with 800, 1200, and 1600 settings).Durability: Built with a button click lifetime of 3 million clicks.Power: Runs on replaceable AAA batteries.