Panasonic These glasses have a nice look, are rather small (so comfortable to wear over the life of a movie), and ultra-fast recharge via USB. 3D transition / 2D provides extra comfort. Too bad they are so expensive ... !!! With price fluctuations, it is easy, for 2 pairs of glasses (a minimum, unless single) pay 150 euros ... !!!!!!!!! It's too much. Hence only 3 stars ...