d.
You
can
use
the
karaoke
function
and
listen
the
music
at
same
time;
in
case
that
you
need
increase
the
Karaoke
volume
and
decrease
the
background
music,
you
can
try
to
adjust
the
separate
microphone
volume
and
main
volume
knob.(Special
to
our
model
PA25,
that
you
need
increase
or
decrease
the
background
music
individually
by
adjust
the
LEVEL
knob
which
locates
next
to
the
Line
‐
in
jack).
e.
Please
turn
off
the
microphone
when
you
put
it
next
to
speaker,
otherwise
there
will
cause
huge
noise.
Battery
power
and
charging
Our
model
has
built
‐
in
rechargeable
battery
which
can
playback
the
music
in
outdoor
without
AC
power
connection.
The
unit
will
start
to
charge
once
the
AC
power
connection
is
ready.
The
charging
LED
will
in
red
color
during
charging,
and
turn
to
green
color
in
case
of
fully
charged.
In
case
of
low
battery
power,
the
output
music
will
be
abnormal
or
big
distortion.
Please
arrange
re
‐
charge
for
playing.
(Model
PA25
has
not
built
‐
in
battery)
There
also
provide
a
DC
12V
battery
in
connection
jack
which
can
connect
and
play
with
other
external
DC
12V
battery
power
source
directly.
Note:
Your
battery
lifetime
will
last
longer
if
you
follow
up
below
simple
guidelines
for
charging
and
storing.
a.
For
charging
first
few
times,
please
charge
the
battery
fully.
b.
Recharge
and
store
the
unit
within
the
temperature
range
of
5°C~35°C
(40°F~95°F).
c.
Do
not
charge
longer
than
24
hours.
Excessive
charging
or
discharging
may
shorten
the
battery's
life.
d.
Battery
life
naturally
shortens
slowly
over
time
using.
e.
The
speaker
can
play
music
during
charging.
Please
turn
off
the
speaker
and
remove
power
plug
if
long
time
not
to
use.
f.
Due
to
prolong
charging
and
discharging,
the
unit
battery
life
will
be
affected
and
playback
time
will
also
be
shortened.
We
cannot
guarantee
the
same
playback
consistently
throughout
and
this
is
not
include
in
our
warranty
and
service.
g.
Charging time: approximately 5~9 hours; music playback time: 3.5 hours around.
Placement
The
speaker
has
been
designed
for
placing
on
ground,
table
or
speaker
tripod
(only
available
in
small
size
model
under
PA
series,
tripod
not
include).
Please
avoid
placing
the
unit
in
the
corner
of
room
or
facing
to
a
wall
which
may
cause
sound
distortion
due
to
low
frequency
increment.
