The blue, customisable Windows touch tab on Sculpt Comfort Mouse revolutionises the relationship between hardware and software, providing quick and easy access to the Start Menu, Cortana (availability may vary), OneNote, Task View or virtual desktops. Compatible with windows 7, windows rt, windows 8.1 windows 10, mac osx v10. X. Includes mouse. BlueTrack. 6 buttons. Scroll wheel. 4 way scroll. Approximately 10 months battery life. Batteries required 2 x AA (included) . Manufacturers 3 year limited hardware guarantee.