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JH-D19 Waterproof Hearing Aid

https://www.jhhearingaids.com/jh-d19-waterproof-hearing-aid/ Specification Type: Waterproof Digital Hearing Aids Frequency Range: 200-4200Hz Waterproof Test: IPX8 Special Function:

JH-D19 Waterproof Hearing Aid

https://www.jhhearingaids.com/jh-d19-waterproof-hearing-aid/ Specification Type: Waterproof Digital Hearing Aids Frequency Range: 200-4200Hz Waterproof Test: IPX8 Special Function: