Logitech M190 Full-Size Wireless Mouse - Charcoal Logitech M190 is a full-size wireless mouse with a comfortable, contoured design that follows the natural curve of medium to large hands, allowin you to work wirelessly and move freely with virtually no delays or dropouts. Specs & Details Dimensions Mouse Dimensions: 115.4 x 66.1 x 40.3 mm Weight (with batteries): 89.9 g Technical Specifications Sensor Technology: Smooth Optical Tracking Sensor resolution: 1000 dpi Number of Buttons: 3 Scroll Wheel: Line-by-Line Precision Unifying ready mouse: No Unifying ready receiver: No Battery: 18 months Wireless operating distance: 10 m 1Wireless range and battery life may vary based on user, environmental and computing conditions. Wireless technology: Logitech Nano Receiver Sustainability Grey plastics: 61% post-consumer recycled material 2Excludes printed wiring assembly (PWA) plastic. Red plastics: 31% post-consumer recycled material 3Excludes printed wiring assembly (PWA) plastic. Blue plastics: 31% post-consumer recycled material 4Excludes printed wiring assembly (PWA) plastic. Warranty Information 1-Year Limited Hardware Warranty