Sony TDG-BT500A  Active 3D Glasses for Sony KDL-55W900A 55-Inch 240Hz 1080p LED HDTV Brace yourself for pure 3D excitement that feels like you're standing alongside the actors. Through advanced Active 3D technology, immerse yourself in Full HD 1080p clarity and phenomenal 3D picture quality. Only compatible with Sony KDL-43W800C, KDL-50W800C, KDL-55W800C, KDL-65W850C, KDL-75W850C; XBR-55X850C, 55X900C, 55X930D, 65X850C, 65X900C, 65X930C, 65X930D, 65X950B, 75X850C, 75X910C, 75X940C, 75X940D, 85X950B