Rechargeable Digital Hearing Aid Sound Voice Amplifier Behind Ear Adjustable UK
1 x Hearing Amplifier. Input Noise: ≤ 32 dB. We will then advise you on resolving this issue, through repair where necessary. 2 - 3 hours. Gain: ≥ 40 ± 5 dB. Maximum Output: 129 ± 3 dB. Technical Specifications.