These glasses have builtin hidden camera which records in fullHD quality. The audio-video recording is in AVI file format in resolution 1920x1080. The glasses also have built-in memory and a microSD card slot. You can use memory cards with a maximum capacity of 32GB.
The camera control is very easy and seamless. Pushing a single button can turn the camera on or off, with the same button you start and stop video recording.
The device has a rechargeable battery that allows continuous recording for about an hour.