【Phones for Hearing Impaired】 You can hear the phone ringer and phone handset volume above 80 dB, and the ringer and handset volume can be adjusted. The landline phone for seniors have a ...
EssilorLuxottica, the holding company behind eyewear brands like Ray-Ban, Oakley, and Foster Grant, is entering the over-the-counter hearing aid industry with Nuance Audio.
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