With thin tube
What it is and does
Microphone
openings
Sound in
LED light
Program, volume,
and battery status
Push-button
Change volume and
programs
Nail grip
(MNB T only)
Open the battery
drawer
Battery drawer
(MNB T only)
Contains the battery and
functions as an on/off switch
Thin tube
Brings sound
into the ear
Sound out
Rechargeable battery
(MNB T R only)
15