LOGITECH WIRELESS MOUSE M190 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 meters. Wireless 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-month.Wireless range and battery life may vary based on user.