1.RC Laser pointer 2.Used for teaching,training,speech 3.CE,RoHs,FDA 4.laser pointer+ ... .usb plug, no driver request 3.Operating system:windows2000/98/ME/XP/Linux/Mac OS 4.It support word excel. Powerpoint ... , ACDsee, Acrobat reader ect 5.it is for teaching ,meeting .speech, traning, it means it is used in ...