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will light up for three seconds, after two minutes the light
will shut off automatically.
Power off
Press the power key for over three seconds after switching
on. You will hear the "Power off" alarm through the in-ear
headset. The red LED will light up for three seconds and
then powers off.
Low power
If the battery has less than 15% power, the red LED will
continuously light up three times every minute. You will hear
the "Low power" alarm through the in-ear headset. The
power symbol will change to blank on the device.
If the battery has less than 5% power, the red LED will
light up for three seconds. You will hear the "Power off"
alarm through the in-ear headset and it will switch off
automatically.
Incoming call
System default alarm voice will ring and ringing from in-ear
headset, press power key button one time to answer the
call.
Reject call
Press the power key twice within three seconds to reject
the call.
Voice transfer
In standby, press the power key twice within three seconds
to activate the voice dialling function.
Call transfer
While talking, press and hold a volume key. You will hear a
short beep and audio will change to the mobile device.
Charging battery
Direct USB plug, constant red LED lighting, changed to
constant blue LED lighting or no lighting once fully charged.