Press both Volume Up and Volume Down buttons
battery check
while not on a call.
indicator
light
red
yellow
green
To save battery power, turn off the headset when
you don't use it for an extended time by closing
the boom.
All manuals and user guides at all-guides.com
voice
prompt
"battery
level is
low"
"battery
level is
medium"
"battery
level is
high"
battery check
talk time
less than 1.5 hours
between 1.5 to 3.5
hours
more than 3.5
hours
11