Logitech M190 is a large-size wireless mouse with a comfortable contoured design that follows the natural curve of medium to large hands. 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 transporting . Get great quality with precision tracking and accurate line-by-line scrolling at an affordable price. Easier navigation with no annoying missed clicks. Enjoy months of worry-free usage. Power-saving mode automatically kicks in when you are not using the mouse to save power.