This discreet and comfortable sound amplifier can reduce noise and provide clear and natural sound.
Suitable for people with severe hearing loss.
How to Use
Gently open the battery compartment cover, put a AG13/LR44 battery into the battery compartment, then close it.
Before use, turn the ON switch to OFF and turn down the sound volume to minimum. Put the device in your ear, turn ON and adjust volume until you hear clear sound.