... , 3D LED TV FACTORY 3D TV FACTORY, CONTACT US Panasonic 3d glasses, 3D LED TV FACTORY 3D TV FACTORY, CONTACT ... , Transmission 50%, Receiving distance 7meter, Visible angle 80°; Battery life 300 times, Continual using time 70hr, Stand-by time 350hr, Charge ... .Usage area:3D theater,family 3D TV,3D computer game. Panasonic 3d glasses, 3D LED TV FACTORY