Philips HearLink - Hearing Aids with Size 312 Battery

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About Getting started Daily use Options Warnings More info
Hearing aids with size 312 battery
(ITC shown)
What it is and does
Battery drawer
Contains the
battery and
functions as
ON/OFF switch
Sound outlet
Sound out
Vent
Push-button
(optional)
Mute, change
volume and
program
Vent
Microphone inlet
Sound in
Volume wheel
(optional)
Change
volume