Logitech M190 is a large-size wireless mouse with a contoured design that follows the natural curve of medium to large hands. All-day comfort thanks to the arched palm support and special button scooping for ideal finger placement. Youe(TM)ll work wirelessly and move freely e" from up to 10 metres* away e" with virtually no delays or dropouts. No cable means no clutter on your desk, while the 18-month* battery life means you can work worry free thanks to the power-saving mode that automatically kicks in when youe(TM)re not using the mouse. Youe(TM)ll get great quality navigation with precision tracking and line-by-line scrolling at an affordable price. *Wireless range and battery life may vary based on user, environmental and computing conditions.