This means, for example, if you have a Samsung 3D TV, your Samsung 3D glasses will not work on a Panasonic 3D TV.
N'ikwu ya n'ụzọ ọzọ, ọ bụrụ na ị nwere Samsung 3D-TV, iko Samsung 3D gị agaghị arụ ọrụ na Panasonic 3D-TVs.