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preventable 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 hearing loss. This includes the use of
headphones (including headsets, ear buds and Bluetooth®, or other wireless devices).
Exposure to very loud sound has also been associated in some studies with tinnitus (ringing
in the ear), hypersensitivity to sound, and distorted hearing. 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. Hence, individual susceptibility to noise-induced
hearing loss and other hearing problems can vary. Please follow these important
guidelines for hearing loss prevention:
1. Set the phone’s volume in a quiet environment and select the lowest volume for which
you can hear clearly.
2. 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.
3. Do not turn the volume up to block out noisy surroundings. If you choose to listen to
your portable device in a noisy environment, consider using noise-cancelling
headphones to block out background noise.
4. As the volume increases, less time is required before your hearing could be affected,
so consider limiting your listening time.
5. Avoid using headphones after exposure to extremely loud noises (e.g.: live concerts)
that might cause temporary hearing loss which, in turn, might cause unsafe volume
levels to sound like normal levels.
6. Do not listen at any volume that causes you discomfort. If you experience ringing in
your ears, hear muffled speech or experience any temporary hearing difficulty after
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