•Do not listen at any volume that causes you discomfort. If you experience ringing in your ears, if speech sounds muffled, or experience any temporary hearing difficulty after listening to your portable audio device, discontinue use and consult your doctor.
You can obtain additional information on this subject from the following sources: American Academy of Audiology Phone: (800)
Phone:
Email: nidcdinfo@nidcd.nih.gov
Internet: www.nidcd.nih.gov/National Institute for Occupational Safety and Health (NIOSH)
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