Hearing aid with large diaphragm microphone element...
Hearing aid with performance-optimized power consumption for...
Hearing aid with pivotable battery drawer having opening in...
Hearing aid with portion thereof inserted in auditory canal,...
Hearing aid with self-contained battery compartment and volume c
Hearing aid with sound tube serving for retention in concha
Hearing aid, ear piece, aid for its insertion into the ear...
Hearing aid, headset or similar device for delivering a...
Hearing aids
Hearing aids of the type intended to be fitted in the external a
Hearing aids with standardized spheroidal housings
Hearing aids with standardized spheroidal housings
Hearing apparatus
Hearing device
Hearing device having two modules for...
Hearing device having two modules for...
Hearing device set for testing a hearing device
Hearing device with embedded channnel
Hearing device with fuel cell
Hearing device with fuel cell