... .4 1.wireless presenter with thumb mouse; 2.Integrative design; 3.CE,FCC,RoHS,FDA approved RF2. ... PowerPoint, Press again to exit;h4, wireless thumb mouse;5, Desk mouse and laser mouse;6, be built-in memory optional.Technical parameters ... Feature1, Mini receiver can be stored into transmitter;2, Thumb mouse, laser mouse & optical mouse integrative;3, Warranty period: 1 year;4, International standard ...