-
4
-
cannot
be
replaced.
Do
not
attempt
to
remove
the
battery
from
the
device
since
it
would
damage
the
device.
The
full
performance
of
a
new
battery
is
not
achieved
until
after
two
or
three
complete
charging
‐
discharging
cycles.
The
battery
can
be
charged
and
discharged
several
hundred
times,
but
it
loses
its
capacity
over
time.
Disconnect
the
BWA15AA003
from
the
power
supply
as
soon
as
the
battery
is
fully
charged,
overcharging
would
reduce
the
service
life
of
the
battery.
A
charged
battery
will
lose
its
capacity
if
it
is
not
used
on
a
regular
basis.
Important:
Ensure
that
the
battery
is
fully
charged
if
you
do
not
use
the
device
for
a
long
period
of
time.
To
avoid
a
complete
discharge
of
the
battery,
the
BWA15AA003
should
be
charged
at
least
every
6
months.
6.
Charging
the
battery
The
BWA15AA003
is
operated
with
a
rechargeable
battery.
Charge
the
battery
completely
before
its
first
use.
Read
the
section
"Battery
information"
before
starting
the
charging
process.
1)
Connect
USB
cable
to
a
general
USB
power
supplier.
2)
Connect
the
charger
to
the
correct
outlet.
3)
When
the
charger
is
connected
to
the
headset,
the
red
indicator
light
will
turn
on.
Charging
the
battery
fully
may
take
up
to
2
hours.
4)
When
the
battery
is
fully
charged,
the
red
indicator
light
will
turn
blue.
Disconnect
the
charger
from
the
headset
and
the
outlet.
The
headset
is
ready
to
use.