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2)
Operation
mode
LED
Indicator
Status
of
the
headset
Red
and
blue
LEDs
blink
alternately
Pairing
mode
Blue
LED
quickly
blinks
twice
every
1 seconds.
Not
connected
to
a
device
Blue
and
Red
LED
quickly
blinks
three
times
every
2
seconds
Set
up
HFP
and
A2DP
connection
Red
LED
blinks
twice
every
20
seconds
Low
power
8)
Low
power
Indication
tone
“DU”
tones
every
20
seconds
•
Care
and
maintenance
Please
read
the
following
suggestions
carefully,
that
will
help
you
to
fulfill
any
warranty
obligations
and
to
enjoy
this
product
for
many
years.
•
Keep
dry
and
don’t
put
it
in
the
dump
place,
in
case
of
effecting
the
interior
circuit
of
product.
•
Don’t
put
the
product
under
the
sunlight
or
place
hot
areas.
High
temperature
will
short
the
life
of
electronic
device,
destroy
the
battery,
or
distort
certain
plastic.
•
Don’t
expose
the
product
in
the
cold
areas.
It
may
damage
the
internal
circuit
board.
•
Don’t
try
to
take
apart
the
product.
It
may
damage
the
product
if
you
are
not
professional.
•
Don’t
fall
off
on
the
floor
or
knock
the
hard
substance.
It
may
damage
interior
circuit.
•
Don’t
use
intensify
chemical
or
detergent
to
clean
the
product.
•
Don’t
scrap
the
surface
with
sharp
things.
In
case
the
product
doesn’t
function
properly,
send
it
to
the
store
you
bought
it.
The
staff
will
help
you
to
solve
the
problem.