Logitech M190 Wireless Charcoal Mouse Logitech M190 is a full-size wireless mouse with a comfortable contoured design that follows the natural curve of medium to large hands. Youll work wirelessly and move freely from up to 10 meters away with virtually no delays or dropouts. Youll get great quality with 18-month battery life, precision tracking, and line-by-line scrolling at an affordable price. 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. Get the durability and reliability that comes from the worlds 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. Sensor technology High Precision Optical Tracking Sensor resolution 1000 dpi Number of buttons 3 Scroll wheel Line-by-Line Precision Battery life 18 months Wireless operating distance 10 m Wireless technology Logitech Nano Receiver Supported OS Windows® 7,9,10 or later macOS 10.10 or later Chrome OS™ Linux® kernel 2.6 Interface USB Mouse Dimensions Height: 115.4 mm Width: 66.1 mm Depth: 40.3 mm Weight (with batteries): 89.9 g PACKAGE CONTENTS Wireless Mouse AA Battery (pre-installed) User documentation