The ideal mouse for quiet work environments, due to special no-click buttons, perfect ergonomics and a precise sensor. Key benefits Special no-click buttons, ideal for offices with several workplaces Perfect ergonomics for hands both small and large Precise sensor with 1000 dpi resolution Pleasant to the touch due to abrasion-proof surface finishing Rubber-coated side sections for optimal grip Extra-long USB cable (1. 8 m) Specifications Weight (product): approx. 116 g Total weight (with packaging): approx. 150 g Cable Length: approx. 1. 80 m Storage Temperature: -20?C to 60?C Operating Temperature: 0?C to 40?C Current Consumption: max. 100 mA Interface: USB Dimensions (product): approx. 112 x 68 x 35 mm Reliability: Standard keys: >3 mill. operations Scanning: Optical Resolution: 1000 dpi Number of Keys: 3 Mouse wheel design: Scroll wheel with key function Design: Symmetrical Connection: USB Housing colour: black Key colour: black Warranty: 2 years