Axon Hearing Aid Machine, Hearing Machine X168, Hear Mach...

Product details of Axon Hearing Aid Machine, Hearing Machine X168, Hear Machine – Pregnancy Test Kit

BTE hearing aid
Max sound output: 129dB ± 4dB
Max sound gain: 50dB ± 5dB
Harmonic wave distortion: approximately 5%
Frequency range: 450~3500 Hz
Input noise: approximately 30 dB
Battery: AG13
Working voltage: dc1.5V
Working current:
Before wearing, adjust the volume to the minimum.
Choose a slightly larger earplug to discourage whistler.
Gradually increase volume to prevent abrupt sound changes.
#pregnancy test kit