Hold the comfort tip and push up on the handle to remove the battery module. Lift the battery module up and away from the device.
Pull the new battery module's tab to activate the battery before use. Align the nose to the groove lock, rotate down, then pinch & lock for a secure connection.
Watch the how-to-video.
For more information, refer to the user guide or Log In to your iHear Medical account click on support > under download, click on "How to use iHear Products."