FULL-SIZE COMFORT. LAG-FREE WIRELESS. Logitech M190 is a full-size wireless mouse with a comfortable contoured design that follows the natural curve of medium to large hands. You’ll work wirelessly and move freely – from up to 10 meters1Wireless range and battery life may vary based on user, environmental and computing conditions. away – with virtually no delays or dropouts. You’ll get great quality with 18-month2Wireless range and battery life may vary based on user, environmental and computing conditions. battery life, precision tracking, and line-by-line scrolling at an affordable price.