Unique thumb wheel: for horizontal navigation and advanced gestures</br>Easy connections for multiple computers: use with up to three Windows or Mac computers via included Unifying receiver or Bluetooth smart wireless technology</br>  Easy switching between computers with the touch of the button</br>Racks virtually anywhere - even on glass: the dark field laser sensor tracks flawlessly even on glass and high-gloss surfaces (4mm minimum thickness)</br>Advanced power management: up to 40 days of power on single charge.</br></br>Product Description</br></br>MX master wireless mouse is the flagship mouse from Logitech designed for power users. This high-end product offers comfortable hand-sculpted contour, stunning design and advanced features, and is optimized for Windows and Mac</br>