Dimensions Mouse Height: 97.7 mm Width: 61.5 mm Depth: 35.2 mm Weight (with batteries): 70.5 g USB Receiver Height: 23.1 mm Width: 18.7 mm Depth: 6.6 mm Weight: 1.8 g Technical Specifications Sensor Technology Smooth optical tracking DPI (Min/Max): 1000± Buttons Number of Buttons: 3 (Left/Right-click, Middle click) Customization app Supported by Logi Options+ on Windows and macOS 1Available on Windows and macOS at logitech.com/optionsplus Scrolling Line-by-line scrolling Scroll Wheel: Yes, 2D, optical Battery Battery: 12 months 2Battery life may vary based on user and computing Battery Details: 1 x AA (included) Connectivity Connection Type: 2.4 GHz wireless connection Wireless range: 10 meters 3Wireless range may vary based on user, environmental and computing conditions. Connect / Power: Yes, on/off switch