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Oticon Opn 1 mini RITE power (rechargeable) digital hearing aid,312 battery, 16 bands and 64 channel(left ear) : Amazon.in: Health & Personal Care
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Oticon opn 1 power plus BTE (MFI) digital hearing aid channel -64,bands -16 fitting db-105,full on gain -73 db battery type -13, life upto -175 (with 2.5 year warranty) : Amazon.in: Health & Personal Care
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