Become one with your computer with the ergonomic Logitech Mx Master Wireless Mouse. Shaped and designed to give your hand the most comfortable grip, this mouse is loaded with all the convenient buttons you could ask for. On the top is a smart speed-adaptive scroll wheel that can change up to hyper-fast scrolling speeds. On the left side of the Mx Master Wireless Mouse is a unique thumb wheel which can be programmed for advanced gestures or to scroll horizontally. Using Bluetooth or the including Unifying receiver, the Mx Master Wireless Mouse can be connected to and used with up to three Windows or Mac computers. The dark field laser sensor is ultra responsive to give you seamless tracking even on glass. The Logitech Mx Master Wireless Mouse is outfitted with an incredible battery that lasts up to 40 days on a single charge.