Compatible ViewSonic PGD-150 3D Glasses (DLP-Link) by Quantum 3D (N44) Active Shutter DLP-Link 3D Glasses Liquid Crystal Active Shutters triggers 3D viewing in a full color spectrumenhances your 3D viewing experience with intense vivid colors (produces sharp clean colors that bests passive technology) Duo Sync Technology Universal 3D Glasses compatible with all major 3D TVs and 3D Projectors Sleek frame design and material make it a stylish and comfortable fit