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Oticon opn 1 MiniRite Power (MFI) digital hearing aid Battery-312, Bands-16, Channel-64, Fitting-105, Full On Gain-72db, Life upto-110 (with 2.5 year warranty) : Amazon.in: Health & Personal Care
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eTopeak Bluetooth Hearing Amplifier for Seniors, Personal Sound Aid Amplifier with Charging Case, Noise Cancelling Amplifier Devices for Ears - Walmart.com
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