Safety
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
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
•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 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
88