Video 4: Replacing the Battery In Your Device 30 views You may also like 1:45 Video 1: What s In The Box 1:07 Video 2: Introduction To Your Hearing Aid 2:21 Video 3: Placing Your Sonify Hearing Aids On Your Ears 2:33 Video 5: Cleaning the Mach I Hearing Aid 0:42 Video 6: Replacing Or Removing The Tube From The Hearing Aid 0:46 Video 7: Replacing Your Eartips Post navigationPrevious post: Video 5: Cleaning the Mach I Hearing AidNext post: Video 3: Placing Your Sonify Hearing Aids On Your Ears