wireless mouse 2.4 1.wireless presenter with thumb mouse; 2.Integrative design; 3.CE,FCC,RoHS,FDA approved RF2.4GHz wireless presenter mouseIt ... USB receiver.Function 1, Laser pointer;2, Page up/down;3, Play / ESC : play PowerPoint, Press again to exit;h4, wireless ... Mini receiver can be stored into transmitter;2, Thumb mouse, laser mouse & optical mouse integrative;3, Warranty period: 1 year;4, ...