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hearing loss. Some scientific research suggests
that using portable audio devices, such as
portable music players and cellular telephones,
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® or other wireless
devices). Exposure to very loud 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 other potential hearing
problems varies. The amount of sound produced
by a portable audio device varies depending on the
nature of the sound, the device, the device settings
and the headphones. You should follow some
commonsense recommendations when using any
portable audio device:
•Set the volume in a quiet environment and
select the lowest volume at which you can hear
adequately.
•When using headphones, turn the volume down if
you cannot hear the people speaking near you or
if the person sitting next to you can hear what you
are listening to.
•Do not turn the volume up to block out noisy
surroundings. If you choose to listen to your
portable device in a noisy environment, use noise-
cancelling headphones to block out background
environmental noise.
•Limit the amount of time you listen. As the volume
increases, less time is required before your
hearing could be affected.
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