... 2.Used for teaching,speech,training,presentation 3.Weight:47g 4.CE,RoHs approved 5.Size:120*25*18mm 3 in 1 red laser pointer+ ... Certificate:rohs,ce&fda Logo:print available or engraved Features:1.red laser pointer, page up and down, option:flash ... Linux,MAC OS 4.Word Excel, Powerpoint.websiteACDsee, Acrobat reader 5.Used in the meeting,teaching,speech.Training 6.Infrared technologyPackage images: