... PowerPoint and MultiMedia.Main Function1. 2.4GHz Wireless Remote Pointer (Red or Green Laser pointer)2. 3 phases switching, off/ Presentation/ Music (Media Player ... buttons: page up, down, left, right, F5, B,Esc and laser point. 5. Phase 2 buttons: play, pause, forward, backward, volume ... carry bag 2.4GHz (Optical Mouse,use free!) Wireless Presenter Red Laser Pointer