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 away - with virtually no delays or dropouts. You'll get great quality with 18-month battery life, precision tracking, and line-by-line scrolling at an affordable price. FULL-SIZE. FULL COMFORT Optimal comfort for your right or left hand with a contoured shape designed to follow the natural curve of larger hands. Specially scooped buttons guide your fingers into ideal placement, while additional palm support provides all-day comfort. QUALITY THAT LASTS Get the durability and reliability that comes from the #1 world leader in mice and keyboards.Whether you use M190 with a laptop, desktop, at home or on the go, this is a mouse you can depend on. Get uncompromised quality with all the essentials you need at an affordable price. LAG-FREE WIRELESS 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 easy transport from one workspace to another. PRECISE TRACKING. EFFORTLESS SCROLLING. Navigate more easily thanks to a controlled line-by-line scrolling experience. The optical sensor gives you smooth and accurate cursor control on almost any surface. That means accurate mouse movements with no more annoying missed clicks. 18 MONTHS. ONE AA. Enjoy 18 months of worry-free usage. Power-saving mode automatically kicks in when you're not using the mouse. PLUG & PLAY Works right out of the box - just plug in the USB receiver and you're good to go. COMPACT OR FULL-SIZE Choose the right size for you. M190 is specifically contoured for mid to large hands, ideal for use at your desk. For a more compact, portable design that's easy to transport, check out M185.