Logitech M190 is a large-size wireless mouse with a contoured design that follows the natural curve of medium to large hands. All-day comfort thanks to the arched palm support and special button scooping for ideal finger placement. . You'll work wirelessly and move freely - from up to 10 meters away - with virtually no delays or dropouts. No cable means no clutter on your desk. And 18-month battery life means you can work worry-free thanks to the power-saving mode which automatically kicks in when you're not using the mouse. You'll get great quality navigation with precision tracking and line- by-line scrolling at an affordable price.