I bought these to use with my compatible Optima projector. After I set everything up (3D function switched on on the projector), charged the glasses, selected the film, I was very dissatisfied with the final image. My kids don't mind, but the picture is almost like grainy, constant movement, not sharp and clear, and the 3D isn't that obvious at all. My husband and I can tell there is a difference, just that she outlines things and makes them a little more visible, but I honestly think $40+ was ridiculous to her. Battery life seems great so far, comfort is okay too, there are no pads or anything, but they don't hurt. If my kids didn't like it that much, I would give them back. I may explore other options to see if I can find something better. One amazing thing I want to say is that they are mostly worn over glasses, just with a little awkwardness.
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