They work great, but the plastic ear cups that hold them on the head are cheap and flimsy. As mentioned, they don't fold, so you'll have to take them off to put them back in their protective case. (Or cut a hole in one side, as another reviewer mentioned.) The bad news is that they're the same as those flimsy, one-piece plastic goggles found in movie theaters, so they fit over your head. My head is not big, but in the middle of the movie the headphones literally came off and scattered around the room, and of course the glasses fell right off my face and are now worthless. Of course, they are much cheaper than the official Sony glasses, but you get what you pay for. Before they broke The design of the glasses is very impractical. The bridge of the nose is a sharp 90 degree angle where it sits on top of the nose itself. So within 30 minutes of watching a movie you've got a ridge on your nose, and for me, at least, it was distractingly annoying. Like real glasses, the official Sony glasses have a soft pad to cushion the nose. The extra cost for the improved build quality and the convenience of watching a 90-120+ minute movie is definitely worth it. I bought 4 pairs but returned all and bought higher quality sets. Like real glasses, the official Sony glasses have a soft pad to cushion the nose. The extra cost for the improved build quality and the convenience of watching a 90-120+ minute movie is definitely worth it. I bought 4 pairs but returned them all and bought higher quality sets. Like real glasses, the official Sony glasses have a soft pad to cushion the nose. The extra cost for the improved build quality and the convenience of watching a 90-120+ minute movie is definitely worth it. I bought 4 pairs but returned all and bought higher quality sets. The extra cost for the improved build quality and the convenience of watching a 90-120+ minute movie is definitely worth it. I bought 4 pairs but returned all and bought higher quality sets. The extra cost for the improved build quality and the convenience of watching a 90-120+ minute movie is definitely worth it. I bought 4 pairs but returned all and bought higher quality sets.
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