s-109 rechargeable portable hearing aid audifonos para sordos adjustable tone hearing aids wireless hearing amplifier for deafscouts

brand namefeie originchina mainland model numbers-109 product styledouble headphones hearing deaf behind ear warranty1 year battery working time20-24 hours long time use charging timefirst time 6 hours after 2-4 hours full charged personal ear care health careaudifonos para sordos recargables usb featureclear sound comfortable wear noise reduction aparato para sordos advantagerechargeable adjustable hearing aid feature 2double devices hearing aids with charging suitable forfor deafadultold peopl