Experience superb 3d entertainment with these active shutter glasses that are designed for superb results with sony home cinema projectors the light easy to wear glasses let viewers enjoy 3d video content in natural detail packed full hd the active shutter design syncs with alternate images for left and right eyes that are displayed on screen rapid recharging via usb eliminates the need to replace disposable batteries adding extra tdg pj1 3d glasses to your sony home cinema projector al