2x Coppia Apparecchi Acustici Digitali OTC Dietro l'Orecchio Amplificatore Vocale Suono BTE

A Pair of Digital Hearing Aid Aids Kit Behind the Ear BTE Sound Voice Amplifier,Over 3400+ sold. Maximum loudness 130 +/- 5dB. 90 db: very severe hearing loss (need ear can only hear the cries of force shout, usually basically silent world).

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