Macally RFQMOUSE 2.4 Ghz Wireless Optical RF Mouse with Three Buttons/Scrollwheel for Mac/PC The Macally RFQMOUSE is a 2.4GHz wireless optical USB wired mouse with a 1200 dpi optical sensor, three soft-click buttons and scroll wheel for a precise and smooth control. The ergonomic and ambidextrous design offers maximum comfort to both left-handed and right-handed users and helps to increase your productivity. The RFQMOUSE works both with Mac and PC and doesn't require any driver.1200 dpi precision optical sensor for precise and smooth control 3 buttons and scroll wheel Stable 2.4GHz wireless RF technology Ergonomic and ambidextrous design for maximum comfort 1 ""AA"" battery included System requirements: USB port; Mac OS X 10.1 and later; Microsoft Windows XP / Vista / 7 / 8 / 10 Package contents: RFQMOUSE, USB receiver, 1 AA battery and user guide