Hearing Aids Sound Amplifier


Features: ~ 100% brand new and high quality ~ BTE Hearing aid ~ Max Sound Output: 129dB ± 4dB ~ Max Sound Gain: 50dB ± 5dB ~ Harmonic Wave Distortion: =5% ~ Frequency Range: 450~3500 Hz ~ Input Noise: =30 dB ~ Battery: AG13 ~ Working Voltage: dc1.5V ~ Working Current: =4mA

Instructions: ~ Adjust volume to the minimum before wearing. ~ Choose an earplug of slightly bigger size to avoid whistler. ~ Increase volume gradually to avoid sudden increase in sound. ~If you hear a howling, check the ear (silica gel) is appropriate and whether the size of the plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage. ~ Keep the ear plug clean ~Remove the battery if you don’t use it for a long time.

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