Logitech M331 SILENT PLUS Wireless Mouse RED Extra comfort and precision with SilentTouch Dimensions Mouse Height: 105.4 mm Width: 67.9 mm Depth: 38.4 mm Weight (with batteries): 91 g Technical Specifications SilentTouch Technology Left/Right-click, Middle click, Scrolling and Gliding have been noise reduced 1Sound level comparison between Logitech M330 and Logitech M170. Left click dBA measured by an independent lab at 1m. Sensor Technology High Precision 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 2Available on Windows and macOS at logitech.com/optionsplus Scrolling Line-by-line scrolling Scroll Wheel: Yes, Rubber, 2D , mechanical Battery Battery: 18 months 3Battery 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 4Wireless range may vary based on user, environmental and computing conditions. Unifying-ready mouse: Yes Unifying-ready receiver: No Sustainability Product carbon footprint: 3.97 kg CO2e Certified carbon neutral Warranty Information 1-Year Limited Hardware Warranty