TECHNICAL SPECIFICATIONS Connection type: Bluetooth Smart and 2.4GHz wireless connection Wireless range: 10 m* * It may vary based on use and computing conditions. Battery details: 1 x AA Battery life: 2 years* * It may vary based on use and computing conditions. Sensor technology: Logitech Advanced Optical Tracking Sensor resolution: 1000 dpi Scroll Wheel: Yes Number of buttons: 7 Standard and Special buttons: Tilt wheel with middle click, Easy Switch Gesture Support (Windows): Yes Gesture Support (Mac): Yes Optional software: Logitech Options and Logitech Flow WARRANTY