Description
Technical Specifications: SilentTouch Technology: 90% noise reduction on Left/Right-click and Middle click Note: 1Sound level comparison between Logitech M220 and Logitech M170. Left-click dBA measured by an independent lab at 1m. Sensor Technology: Smooth optical tracking DPI (Min/Max): 1000? Buttons: Number of Buttons: 3 (Left/Right-click, Middle click) Scrolling: Line-by-line scrolling Scroll Wheel: Yes, 2D, optical Battery: Battery Life: 18 months Note: 2Battery life may vary based on user and computing. Battery Details: 1 x AA? Connectivity: Connection Type: 2.4 GHz USB wireless connection Wireless Range: 10 meters Note: 3Wireless range may vary based on user, environmental, and computing conditions. Connect/Power: Yes, on/off switch