Button operations
① Volume control button (left temple)
(1) Press the front button to increase the volume.
(2) Press the rear button to turn down the volume.
(3) Press and hold the front button for 2 seconds to switch
to standard mode.
(4) Press and hold the rear button for 2 seconds to switch
to light voice mode.
② Display control button (right temple)
(1) Press the front button to increase the brightness.
(2) Press the rear button to decrease the brightness.
(3) Press and hold the front button for 2 seconds to switch
the refresh rate to 120 Hz.
(4) Press and hold the rear button for 2 seconds to switch the
refresh rate to 60 Hz.
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