1Pair Rechargeable Digital Hearing Aids In-Ear Invisible Sound Voice Amplifier!
Style: in the ear. Type 4 Hearing Amplifier. Type 4 : Hearing Amplifier. Equivalent input noise: 23dB ± 3dB. Hearing Aid Fitting In the Ear (ITE). Hearing Aid Fitting : In the Ear (ITE). Type Hearing Aid.