When I received my glasses, I thought the dark lenses were badly scratched. Not wanting to wait for a replacement, I ordered a second pair, thinking I'd return the first when it arrived. What I didn't know, and only realized when the second pair arrived apparently scratched too, is that THERE IS A PROTECTIVE FILM on both sides of each dark lens that needs to be peeled off and this is not immediately obvious. Once I realized that, I peeled them off and THE LENSES ARE PERFECTLY FINE. I decided to keep both pairs so I wouldn't have to swap the lenses frequently - I have one with the yellow, one with the dark, and spares for both. What I like about them: they feel solid and well-made. The sound quality is good. They pair up with my devices quickly and easily. They fit perfectly, (unlike my pre-cataract surgery prescription glasses). They charge quickly with the easy-to-use magnetic charger cord. The battery life is better than I expected - I listen to a lot of podcasts and they usually make it through the day. The only thing I don't like is that my phone screen disappears when it's turned landscape-wise and I'm using the dark lenses. Something about the polarization, I guess. All I have to do is tilt the phone or my head, or peek under them. It's minor; other than that I'm very happy with these glasses.
