Hearing Aid Knowledge

The most complete classification of polymer materials in history

The most complete classification of polymer materials in history

       Macromolecular materials, also called polymer materials, are materials composed of macromolecular compounds as the matrix and with other additives (auxiliary agents).Polymer material classification1.   Classification by sourcePolymer materials are classified into natural polymer...

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OTC hearing aids FAQ

Q: Can I buy hearing aids over the counter? A: Over-the-counter (OTC) hearing aids (or OTC wearable hearing devices as recommended in the NAS report), are not yet on the market. They will be hearing devices for adults with mild to moderate hearing loss purchased directly by consumers from...

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