Açıklamalar

• J20 is non-programmable instantfitCIC hearing aid Based on included sign processing, J20 may give your listening to clear and cozy Audiological Features Low Equivalent Input Noise Super Clear Sound Low Frequency Cut Filter Functional Features Volume Control Mode:Rotated VC0~25Db Colors available：Red, Blue Note 1 volume to the minimal earlier than wearing 2 an earplug of barely greater size to avoid whistler three volume progressively to circumvent unexpected increase in sound 4 you hear a howling, test the ear (silica gel) is suitable and whether the size of plug is tight, the appropriate selection of earplugs and plugged, make sure no air leakage If it still does not work, please examine the chat window leave me a message 5 the ear plug clear 6 the battery if you don&;t use it for long time

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