As for 3D HD video, the result is fairly good level transfer speed but my problem is in the storage capacity is not sufficient for my needs. Nothing serious just invest in a larger map.
Otherwise the level of recording quality no complaints, clichés are consistent with the capture and videos are smooth and without any noise on the image.
I often have stability problems when I want to transfer photos from an SD card on my old laptop (very close to death) but with it, all the tests I've done I've been no bugs, no slowdown, it's all good!
Considering the price it's worth it to buy a few. It was a very good price / quality ratio. I will use it mainly to take pictures.