... Button”.l Laser pointer available for presentation.l Page up and page down between presentation slides.l It is USB plug ... SystemWindows 98,Se,Me,2000,XP, Mac OS, Linux, Windows Vista FunctionThere are three working modes: presentation mode, wireless laser mouse ... systemWindows 98/Se, Me, 2000, XP, Mac OS, Linux, Windows VistaUSB versionUSB1.1 Compatible USB2.0Working voltageUSB electricity supply (4 ...