Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Normal
Maybe use the volume on a tv or radio (that show increments in #'s) and ask at what volume does he listen to the tv/radio then tell him at what volume you need it to be at when you're not wearing you HAs. Maybe he'll turn his volume up that loud (if he doesn't stop the increases before because it hurts his eas).