Logitech M190 Full Size Ambidextrous Wireless Mouse, Charcoal

18-MONTH BATTERY LIFE ? Enjoy months of worry-free usage. Power-saving mode automatically kicks in when you?re not using the mouse to save power. AA Battery Included LAG-FREE WIRELESS CONNECTION ? 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 UNCOMPROMISED QUALITY ? Get great quality with precision tracking and accurate line-by-line scrolling at an affordable price. Easier navigation with no annoying missed clicks BUILT TO LAST ? Durable and reliable quality from the #1 world leader in mice and keyboards. An everyday computer mouse you can depend on for a longer time LARGE-SIZE COMFORT ? Optimal comfort for either hand with a contoured shape designed to follow the natural curve of large hands. Buttons scooping guides fingers into ideal placement.