Maserati Gran Turismo Wireless Optical Mouse in Silver finish is a computer mouse with 2.4 GHz wireless technology; USB Plug & Play technology; High-resolution optical 800 dpi scanning; 33 foot range; LED headlights and rear lights; On/off switch for LED headlights and rear lights; 1xAA battery last for several months (if LED headlights and rear lights are not used; System requirements: Windows 8/ 7 Vista XP 2000 ME Mac OS X.