Logitech® M650 Signature Wireless Mouse, Graphite

• Features SmartWheel scrolling that delivers precision or speed the moment you need it • Seamless wireless connectivity, silent clicks, customizable side buttons, and the contoured shape keep you comfortable and productive hour after hour • Bluetooth • 2.4GHz wireless connection with 10 m of wireless range • 1 "AA" battery (included) • 2-year limited warranty • Graphite