User's Manual

Caution:
Avoid potential hearing lo
s
Prolonged exposure to lou
d
hearing loss. Some scientif
i
music players and cellular
permanent noise induced
h
earbuds and Bluetooth® o
r
associated in some studies
w
hearing. Individual suscepti
b
varies. The amount of soun
d
the sound, the device, the d
e
recommendations when usin
57
s
s.
d
sounds (including music) is the
i
c research suggests that using po
r
telephones, at high volume setti
n
h
earing loss. This includes the us
e
r
other wireless devices). Exposu
r
w
ith tinnitus (a ringing in the ear),
h
b
ility to noise induced hearing loss
d
produced by a portable audio de
v
e
vice settings and the headphones.
Y
g any portable audio device:
Coolpad 80
1
most common cause of preventa
b
r
table audio devices, such as porta
b
n
gs for long durations may lead
e
of headphones (including heads
e
r
e to very loud sound has also b
e
h
ypersensitivity to sound and distor
t
and other potential hearing proble
m
v
ice varies depending on the nature
Y
ou should follow some commonse
n
1
E
b
le
b
le
to
e
ts,
e
en
t
ed
m
s
of
n
se