View of size 10 battery instruments (IIc, cIc, Itc)
Microphone inlet with
Battery door
Right/left and
Sound outlet with
T-Cap microphone filter
with nail grip
up-indicator
wax filter (ProWax)
Pull-out string
Push-button
(optional)
Pull-out string
Ventilation canal
Ventilation canal
IIC = Invisible-In-the-Canal
CIC = Completely-In-the-Canal
ITC = In-The-Canal
7a