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Caution: Avoid potential hearing loss.
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 cellular telephones, at high volume settings for long durations may lead to permanent noiseinduced
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.
●
Avoid using headphones after exposure to extremely loud noises, such as rock concerts, that
might cause temporary hearing loss. Temporary hearing loss might cause unsafe volumes to
sound normal.
●
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 listening to your portable
audio device, discontinue use and consult your doctor.
TIA Safety Information
The following is the complete TIA Safety Information for wireless handheld phones.
Exposure to Radio Frequency Signal
Your wireless handheld portable phone is a low power radio transmitter and receiver. When ON, it
receives and sends out Radio Frequency (RF) signals.
In August, 1996, the Federal Communications Commissions (FCC) adopted RF exposure guidelines with
safety levels for handheld wireless phones. Those guidelines are consistent with the safety standards
previously set by both U.S. and international standards bodies:
ANSI C95.1 (1992) *
NCRP Report 86 (1986)
ICNIRP (1996)
For Assistance
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