Inside hearing aids look very aesthetic and are available for different consumer categories.
Maximum sound output: 110 ± 5 dB
Increasing sound: ≥ 30dB
Total harmonic distortion: ≤ 10%
Input noise: ≤ 40 dB
Frequency range: 300Hz ~ 4000Hz
Operating voltage: 1.5V
Current: ≤ 4mA
Powered by 1 x size10 battery
Before using the sound amplifier, be sure to clean your ears!
For safe ear cleaning, we recommend using WaxVac or FindBack devices.
Attention! If you turn up the sound when turning on the device, please turn down the volume.