Hardware

How to use the buttons on the right temple of the glasses?

There are two buttons on the right temple. The brightness button Press the button to choose from the five available brightness levels. Press and hold the brightness button for 2s to switch to 3D(SBS) mode. Continue to press and hold the brightness button for 8s to switch to 3D(3840 x 1080) mode. The Volume button Press the Volume โ€œ+โ€ or...

How long do the glasses take to charge? How long does the battery last?