A:Answer You will need a pair of DLP-Link (DLP-Ready) Type Glasses to watch 3D on the LG
CineBeam LED Projector with Built-In Battery, Bluetooth Sound Out and Screen Share, Model # PH550.When you play a 3D-image title or tune to a 3D channel, you will need to press the 3D button on the remote control to activate 3D. If you press the 3D button while viewing 3D, it returns to 2D...^IFV