... based on PowerPoint and MultiMedia,which has optical mouse function,can be used free This ... or Green Laser pointer)2. 3 phases switching, off/ Presentation/ Music (Media Player) 3. Optical Mouse( 360omove ... ,use free)4. Phase 1 buttons: page up, down, left, right, F5, B,Esc and laser ... : Color box with carry bag 2.4GHz (Optical Mouse,use free!) Wireless Presenter Red Laser Pointer