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 “+” or Volume “-” button to increase or reduce the volume. Share on Facebook Opens in a new window. Tweet on Twitter Opens in a new window. Pin on Pinterest Opens in a new window. Back to blog