Hearing aids k50k70k90 stands for what it means

k50k70k90 represents the performance level of hearing aids

Hearing aids belong to the second class of medical devices

Main function: used to improve the sound perception ability of hearing-impaired patients.

Common types: according to the way of wearing classification, can be divided into box, behind the ear, in-the-ear, glasses and hairpin hearing aids. Price range: The price range of common hearing aids is large, depending on the actual situation in hospitals around the world.

Hearing aids are a type of amplification device used by hearing impaired patients to improve their hearing. Hearing aids can be processed by a computer chip to improve the comprehensibility of the human voice part of the environmental sound, is an important assistive therapy devices for hearing impaired patients.