Tiny hearing aid is smaller than a grain of rice and will be implanted in the inner ear

[Redaktion]

It is still a prototype, but the tiny device listens exactly where the sound arrives and requires no other components. The advantages for hearing-impaired people could be enormous.

https://www.notebookcheck.net/Tiny-hearing-aid-is-smaller-than-a-grain-of-rice-and-will-be-implanted-in-the-inner-ear.856560.0.html