User's Manual
5
II. ConnectingtoasmartphoneusingBluetooth
When you press
①
button of receiver quickly twice,
⑦
LED
win
d
ow
flashes rapidly in green and
r
e
d
.
At this
time
,
when
“
N
S
oun
d
”
i
s
displayed in the Bluetooth setting of the
smar
t
phone
,
it can
be
selected and used by connecting with the
smar
t
phone
.
1)
S
mar
t
phone
hands-free
fu
n
ct
ion
You can hear a phone ring through headset when the receiver is
connected to a smartphone while using voice amplification
fu
n
ct
ion
.
If you press the button
①
of the receiver
once
,
you can switch
t
o
the hands-free call state and
t
al
k
.
When the call ends,
it
automatically returns to the previous use
stat
e
.
2)
S
mar
t
p
hone
audio
lis
t
en
in
g
If you play the music or video of the smartphone while using
t
he
voice amplification
fu
n
ct
ion
,
the voice amplification function is
automatically stopped and you can listen to wireless
audio.
* Since the volume of the voice amplification function may be different from the
li
st
e
ning
volume when using the
smar
t
pho
ne
,
you can adjust the volume by yourself using the
but
t
o
ns
③
and
④
.
TurnBluetoothfunctionon
andyouwillbeabletofind
“NSound”thatyoucan
pairwithyourphone.