Samsung BHM1800NDACSTA - Manual (Page 9)

English
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Repeatedly charging and discharging of the headset, over time will cause the battery •
performance will diminish. This is normal for all rechargeable batteries.
Never make or receive calls while charging, always disconnect your headset from the charger
•
and answer the call.
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 colors:
Battery level Indicator light color
Above 80% Blue
80 ~ 20% Violet
Below 20% Red
When the headset battery is low
The headset beeps and the indicator light flashes red. If the headset powers off during a call, the call
will be automatically transferred to the phone.