... Portable computer, projector have been widely applicable for occasions such as demonstration, audio-visual education academic conference. The wireless laser pointer' ... WLGP -008 uses green laser (532nm laser) as the pointer, which is much brighter than red laser. WLGP-008 use optical mouse ... up and down, left, right, F5, B, ESC and laser pointer key.Play, pause, forward, backward, volume up and down, ...