The same basic pieces are used in amplifier hearing aid ava 105 to transfer sounds from the surroundings into your ear and make them louder. 125-+5db is the maximum sound output. 300-4000hz is the frequency range.
HEPAR SULFURIS CALCAREUM 200CH
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CALCAREA CARBONICA 200CH
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EZY CARE MONTHLY TABLET PLANNER
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Subtotal: AED130.31
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