... such as demonstration, audio-visual education academic conference. The wireless laser pointer's attractive and compact design enables mobility of ... storage is optional(1G~4G, USB write protection) Clock FunctionRemote page up and down, left, right, F5, B, ESC and ... computer with USB portWindows 98/2000/ME/XP, Vista, Linux, Mac OSApplication:Word, Excel, PowerPoint, PDF, IE, ACDsee, Mediaplayer ... ...