ETHIGEN Axon F-138 Amplifier BTE Hearing Aid Machine For Hearing Loss People. Axon F- 138 Behind The Ear Hearing Aid(Beige)
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F-138 is a small BTE model. The simple design make it comfortable for wearing and almost invisible. Besides, it could provide considerable output from its small body. The power saving technology make the maximal usage of the AG13 button battery possible. F-138 can work continuously for almost 10 days by a small AG13 button battery only.
