Bose QuietComfort 20 User manual

Bose®
QuietComfort®
20
Acoustic Noise
CancellinWHeadphones
7
49570-0010

English
Please
read
and
keep
this
Owner's
Guide
and
take
the
time
to carefully
read
and
follow
the
Important
Safety
Instructions
included
in
the
carton.
For
additional
info
nnation
about
your
headphones
or
for
replacemen
t
accessories,
refer
to:
•
http://globai.Bose
.
com
•
U.S.
only:
http:
//
owners
.
Bose
.
Com/QuietCom
f
ort20
Chargmg
Allow
up
to
2
hours
for
a
full
charge
bafore
first
use
.
Use
the
supplied
USB
cable
to
connect
the
headphones
to
a
powered
USB
port
on
your
computer
or
an
agency
ap
p
roved
wall
charger
(not
supp
li
ed
).
When
fully
charged
.
headphones
will
have
about
16
hours
of
ba
ttery
life.
Note:
Before
charging,
be
sure
the
headset
is
at
r
oo
m
temperature.
between
41'F (5'C)
and
104
'F(
40'C).
Components
A.
Control
module
B.
lnline
mic
ropho
ne
and
3-
button
remo
te
C
Clothing
c
li
p
D.
StayHea
r"
+tips:
Small
(wh1te);
Medium
.
installed
(grey);
Large
(black)
E.
USB
charging
cable
F.
Carry
case
0
Powenng
on
Slide
the
power
switch
on
the
control
modul
e
to
On
.
The
headphon
es
will
tum
on
in
No
ise
Cance
lli
n
g,
which
r
ed
uces
most
sounds
around
you
.
Note:
When
the
pow
er
is
off,
the
headph
on
es
will
still
provide
un-powered
audio.
For
best
quality
audio.
tum
the
power
on
.
Sw1tch1ng
modes
Press
the
Mode
button
on
the
side
of
the
rem
ote
to
switch
to
Aware
mode,
wh
ich
lets
you
hear
some
sounds
around
you
,su
ch
as
traffic
noise
.
-,
__
,
button~
Connectmg
to
an
1Pod.
1Phone
or
1Pad
Connec
t
the
Bose
•
QuietComfort"
20
headp
ho
nes
to
the
standard
3.5
mm
head
phone
jack
on
your
iPod
.
iPhone
.
or
iPad.
The
hea
d
phone
s
come
with
an
inlin
e
i
micro
pho
ne
. ·
Volu
me+
and
3.
-button
remote
. ,. A
nswer
/
End
for
convenient
control
of
select
iPod
,
iPhone
, · ·
Volume
-
and
1Pad
models
. '
Action
Headphone
control
Adjust
volume
Pre
ss+
or-.
Play
/
Pause
Press
and
release
Answe
r/
End.
Skip
track
Press
and
rel
ease
Answe
r
/End
twi
ce
quickly.
Previous
track
Press
a
nd
re
l
ea
se
An
s
we
r/End
three
ti
mes
qui
ck
ly
.
Fast
forward
Press
Answer/End
twice
and
h
old.
Rewind
Press
Answer/End
thr
ee
time
s
and
hold
.
Answer
or
end
a
call
Pres
s
and
release
An
s
we
r/End.
Ignore
in
com
i
ng
ca
ll
Pr
ess
and
ho
ld
Answe
r
/End
.
S
wit
ch
to
incomin
g
While
on
a
ca
ll
.
press
An
swer
/E
nd
ca
ll
;
pu
t
current
ca
ll
once.
P
ress
a
nd
release
agai
n
to
onhold
return
lo
first
ca
ll
.
S
wil
chlo
incom
i
ng
Whil
eona
ca
ll
,
pres
s
Answe
r/
ca
ll
;
end
curren
t
ca
ll
End
and
hold
for
about
2
seco
nds
and
rel
ease.
Use
voi
ce
contro
l
Pr
ess
an
d
hold
Answe
r
/End
.
See
your
dev
ice'
s
user
guide
for
co
mpatibility
and
u
sage
in
fo
rmation
.
Note:
Full
con
tro
ls
may
n
ot
be
ava
il
able
for
so
me
devices
.
I
mpo
rt
ance
of
Pr
oper
F1t
For
effective
noise
reduction
perfomnance,
it
is
important
to
choose
the
correct
size
StayHear"
+tip.
Sele
ct
th
e
size
th
atg
iv
es
you
th
eb
es
t
comfort
a
nd
fi
t
in
ea
ch
ear.
You
may
need
to
try
a
ll
three
sizes
to
det
e
nnine
the
bes
t
fit.
To
t
es
t
the
fit,
try
s
peaking
al
oud
(w
rth
the
power
o
ff).
Your
voice
sih
oul
d
sound
muffled
in
both
ears.
If
no
t,
se
l
ec
ta
no
th
er
tip
si
ze
.
Eac
h
tip
is
marke
d
with
e
ith
eranLoranR
Be
sure
to
attach
th
el
eft
tip(
L)
to
t
he
left
ea
rp
iece
and
the
rig
ht
tip
(R)
to
th
e
righ
t
earpiece
.

0
To
change
a
StayHear"
+tip:
1.
Gently
peel
the
edges
of
the
atta
c
hed
tip
away
from
the
earpiece,
using
care
not
to
t
ear
the
tip.
CAUTION:
To
prevent
damage
,
do
not
pu
ll
on
the
tip
wing.
2.
Sl
i
de
the
new
tip
over
the
headpho
ne
nozz
le.
3.
Press
the
tip
securely
into
place
until
yo
u
f
ee
l
it
latch.
The
ridge
on
the
head
pho
ne
hous
i
ng
should
fit
into
the
slot
on
the
inside
of
the
tip.
Fitting
the
headphones
to your
ear
1.
Inse
rt
the
headpho
ne
into
the
ear
so
the
tip
gently
rests
in
the
opening
of
the
ear
canal.
2.
Ti
lt
th
e
headphone
back
and
l
ightly
press
the
wi
ng
under
the
ear
ridge
un
til
it is
comfo
rtable
and
secure.
The
ti
p
sho
u
ld
sit
co
mfortably
yet
securely
in
the
bowl
of
th
e
ear.
Recogn1zmg
the
lights
Power/Battery
indicator
E::::Jo
Color
Status
while
in
Status
while
use:
charging:
Green
(
so
l
id
)
Power
on.
More
than
Charg
i
ng
3
hours
of
battery
life
comple
te
remaining.
Gre
en
(blin
ki
ng)
Power
on.
Less
than
3h
ours
of
battery
li
fe
NIA
rema
in
i
ng.
Amber
(bl
in
ki
ng
)
NIA
C
har
g
ing
Red
N
IA
Erro
r:
See
"
Tempera
ture
r
ange
'
None
(Off)
Power
off
or
battery
depleted
.
Mode
indicator
<•)
Color
Indicates
:
G
reen
(
On
) N
oise
Cancelling
on.
No
ne
(Off)
Aware
mode
on
.
Troubles
hoo
tmg
Poor
sound
quality
•
Make
sure
t
he
headphones
are
powered
on
and
secure
ly
plugged
into
the
headphone
jack
on
the
device
.
•
Try
anothe
rS
tay
Hea
r"
+t
ip
s
ize
.
•
Try
another
device
or
mu
sic
app
li
catio
n.
•
Clean
t
he
connecto
r
with
isopropyl
alcoh
ol
and
dry
with
acl
ean
clot
h.
•
If
you
experience
lou
d
noise,
t
um
off
th
e
powe
r
sw
i
tch.
Poor
or
no
noise
reduction
•M
ake
s
ure
the
power
is
switched
on
and
the
Mode
indicator
is
on
(
green).
·Try
another
Stay
Hea
r"
+tip
si
ze
.
See
"I
mportance
of P
roper
Fit
'.
•
En
su
re
that
head
phones
are
properly
ch
arged.
Short
battery
life
(less
than
16
hours)
•
When
c
ha
rg
i
ng
,
be
sure
both
e
nd
sof
the
USB
cable
are
fimn
ly
co
nn
ected
a
nd
verify
that
the
B
attery
In
dicator
is
bli
nk
ing
a
mb
er
.
Device
is
not
responding
to
remote
button
commands
•
Ensure
you
a
re
u
si
ng
a
com
patible
device
.
See
"
Made
fo(
below
.
•
Make
sure
th
eh
eadpho
ne
s
are
secure
ly
plu
gged
into
the
headph
one
jack
on
the
device.
Microphone
not
working
•Ma
ke
s
ur
e
the
h
ea
d
phones
are
sec
urely
plu
gged
i
nto
th
eh
eadpho
nej
ac
k
on
the
device
.
•Ma
ke
su
re
t
he
microphone
is
not
bl
ocked
.
•
Try
an
othe
r
ca
ll,
de
vi
ce,
or
app
li
ca
ti
on.
For your
record
s
Serial
number
(on
Warranty
Card):
Now
isa
good
time
to
register
your
headphones
.
You
can
do
this
eas
i
ly
by
going
to
:
http:
//
globat
.
Bose
.
com/register.
iP
ad,
iPho
ne
,
and
i
Pod
are
tr
adema
rk
sof
App
leInc.,
reg
i
ste
r
ed
in
the
U.S.
and
ot
her
cou
nt
ri
es
.T
he
tradem
ar
k
"iPho
ne
'
is
used
with
al
icense
from
Ai
pho
ne
K.K.
"M
ade
for
iP
od,
·
"Ma
de
for
iPh
one,"
and
"
Made
f
or
iP
ad
'
m
ea
n
that
an
el
ec
tro
ni
c
accesso
ry
h
as
bee
n
des
i
gned
lo
co
nne
ct
spec
ifi
ca
ll
y
to
iPod,
iPh
o
ne,
or
iPad,
re
spe
c
tiv
el
y,
a
nd
has
been
c
ert
ifi
ed
by
the
dev
el
oper
to
meet
App
le
pe
rt
o
nmance
stan
dard
s.
Apple
is
not
re
spons
iblef
or
the
operat
io
n
of
th
is
device
or
it
s
comp
li
ance
with
safety
and
r
eg
ulat
ory
standards
.
Ple
ase
note
tha
t
th
eu
se
of
this
ac
cessory
with
i
Po
d,
iPhon
e,
or
iP
ad
may
affe
ctwirel
ess
pe
rt
o
nma
n
ce.
©2
01
5
Bo
se
C
orp
ora
t
ion
.Nopa
rt
of
thi
s
work
ma
ybe
re
p
ro
duced
,
modifie
d,di
stributed
,
or
othe!Wise
used
with
out
prio
r
wriffen
permission.

D.
E.

F.