Insert the appropriate battery and gently close the hearing aid battery door.
Pinch the hearing aid with your index finger and thumb and align it with the ear canal, then push the hearing aid into the ear canal with a gentle twist. Using the other hand to gently pull the pinna back will help you put on the hearing aid more easily;
Open and close your mouth a few times to help you feel the position of the hearing aid Correct;
The hearing aid starts to work when it is confirmed that it is in place.
(You may hear a whistling sound from the feedback during wearing.)