How Do Hearing Aids Work? : How to Change Hearing Aid Batteries
Hear aid wearers should always have extra batteries. Learn more about the four kinds of hearing aid batteries in this free hearing loss advice video from a licensed hearing aid dispenser. Expert: Tom Higgins Contact: www.hearnj.com Bio: Tom Higgins, a licensed hearing aid dispenser, is the owner of Advanced Hearing Services in Ramsey, NJ Filmmaker: David Huber
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