Checking the battery level
To check the battery level, press and hold the Volume down button and the Talk
button at the same time. Depending on the battery level, the indicator light flashes 5
times in one of the following colours:
Battery level
Above 80%
80 ~20%
Below 20%
90
Indicator light
colour
Blue
Violet
Red
Voice prompt
"Headset battery level is high"
"Headset battery level is medium"
"Headset battery level is low"