Samsung Galaxy S4 mini User Manual page 408

Damage to hearing occurs when a person is exposed to loud sounds
over time. The risk of hearing loss increases as sound is played
louder and for longer durations. Prolonged exposure to loud sounds
(including music) is the most common cause of preventable hearing
loss. Some scientific research suggests that using portable audio
devices, such as portable music players and cell phones, at high
volume settings for long durations may lead to permanent
noise-induced hearing loss.
This includes the use of headphones (including headsets, earbuds,
®
and Bluetooth
sound has also been associated in some studies with tinnitus (a
ringing in the ear), hypersensitivity to sound, and distorted hearing.
Individual susceptibility to noise-induced hearing loss and potential
hearing problem varies. Additionally, the amount of sound produced
by a portable audio device varies depending on the nature of the
sound, the device settings, and the headphones that are used. As a
result, there is no single volume setting that is appropriate for
everyone or for every combination of sound, settings, and
equipment.
You should follow some common sense recommendations when
using any portable audio device:
•
Always turn the volume down before plugging the earphones into an audio
source.
•
Set the volume in a quiet environment and select the lowest volume at
which you can hear adequately.
•
Be aware that you can adapt to higher volume settings over time, not
realizing that the higher volume may be harmful to your hearing.
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or other wireless devices). Exposure to very loud