... such as demonstration, audio-visual education academic conference. The wireless laser pointer's attractive and compact design enables mobility of up to ... page up and down, left, right, F5, B, ESC and laser pointer key.Play, pause, forward, backward, volume up and down, ... fixed timing alarm, count down alarm)Control distance: up to 15 mCompatibility:Any computer with USB portWindows 98/2000/ME/XP, Vista ...