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3
Your hearing aids at a glance
1
Wire
- connects the speaker unit to your
hearing aids
2
Microphones
- sound enters your hearing aids
through the microphones
3
Push button
- switches between listening
programs or changes the volume level,
depending on your customized fitting
4
Battery door (on & off)
- close the door to turn on
your hearing aids, open the door all the way to
turn off your hearing aid or to change the battery
5
Dome
- holds the speaker unit in place in your ear
canal
6
Retention piece
- helps prevent the dome and
speaker unit from moving out of the ear canal
7
Speaker unit
- amplifies the sound and sends it
directly into the ear canal
8
Custom mold
- holds the hearing aids in place
flow+ S312 hearing aids
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5
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7
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