... based on PowerPoint and MultiMedia,which has optical mouse function,can be used free This is ... ,which has the basic function of handhold mouse,and also the basic function of operating ... / Music (Media Player) 3. Optical Mouse( 360omove,use free)4. Phase 1 buttons: page up, down, left, right, F5 ... : Color box with carry bag 2.4GHz (Optical Mouse,use free!) Wireless Presenter Red Laser Pointer