SAN FERNANDO, Calif. (June 21, 2007)-- The National Institute on Deafness and Other Communication Disorders asserts that more than 30 million Americans are exposed to hazardous sound levels on a regular basis. To ensure that students use safe technology in the classroom, Califone International, Inc., introduces the first MP3 Player designed specifically for school use.

The American Speech-Language-Hearing Association (ASHA) recently tested popular MP3 devices and found that they all produce sound well above the maximum recommended safety level of 85 decibels. As many studies have found that irreparable hearing loss can result...

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