Niaj hnub nimno high technology digital hearing aids hauv khw muag khoom qhov rais. Getty Dluab Nws suav hais tias yog qhov kev tawg uas US Food and Drug Administration tshaj tawm tias cov khoom siv mloog yuav raug muag ov...
Niaj hnub nimno high technology digital hearing aids hauv khw muag khoom qhov rais. Getty Dluab Nws suav hais tias yog qhov kev tawg uas US Food and Drug Administration tshaj tawm tias cov khoom siv mloog yuav raug muag ov...