| Puretone spectacle devices are specially
made hearing devices that are built into spectacle frames for ease of use. They
are available in two types: air conduction and bone conduction. Air conduction
devices amplify sound and feed this sound into the ear via a link tube. Bone
conduction uses a vibrating pad to pass the sound into the inner ear via the
mastoid bone. Spectacle hearing aids offer ease of use for users who require
both glasses and a hearing instrument.
Puretone Spectacle Devices come in a range
of finishes:
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