FDA Allows Marketing of First Self-Fitting Hearing Aid Controlled by the User - iData Research
How Auracast and Bluetooth LE Will Change Hearing Aids
Hearing Aid History: From Ear Trumpets to Digital Technology - IEEE Pulse
New Extensions Offered on Beltone First and Origin Products
How Hearing Aid Technology Has Evolved in Society, and Why — Part IV
Hearing Aid Evolution III, Wayne Staab, PhD
The Beltone Selectometer, introduced in 1947, very probably the first
Hearing aids: How to choose the right one - Mayo Clinic
Hearing Aids For Deafness Digital Sound Amplifier Wireless Headphones Ears First Aids Tools Speaker Amplified Mini Hearing Aid