FDA approves over-the-counter hearing aid from Bose
The US Food and Drug Administration has, for the first time, approved a hearing aid that can be fit, programmed and controlled by the user instead of a healthcare provider.
The device comes from Bose and users can make adjustments to its settings in real time through a mobile app.
https://www.engadget.com/amp/2018/10/05/fda-approves-bose-over-the-counter-hearing-aid/