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Help Guide
Phone calls
The caller’s voice cannot be heard.
Check that both the headset and the BLUETOOTH smartphone or mobile
phone are turned on.
Check the connection between the headset and the BLUETOOTH smartphone
or mobile phone. Make a BLUETOOTH connection (HFP or HSP) again.
Check that output of the BLUETOOTH smartphone or mobile phone is set for
the headset.
Check that the volume of the headset is not set too low.
Turn up the volume on the BLUETOOTH smartphone or mobile phone if
necessary.
If you are listening to music using the headset, stop playback, press the
button and talk.
Low sound from the caller
Turn up the volume of the headset.
Turn up the volume on the BLUETOOTH smartphone or mobile phone if
necessary.
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