close up of an elder`s ear with a hearing aid on, a device ed to improve hearing by making or amplifying sound audible to a

aid aids amplification amplify amplifying application attached audible battery canal care caucasian close closeup deaf deafness defect designed device digital ear ears elder elderly elders electronic hanged health healthcare hearing help improve increase insert issue lifestyle loss loudspeaker lound lounder making man medical miniature noise old operated person personal physical portable problem psap put receiver rechargeable small sound technology treat using volume wearing westerner