This section gives you step by step instructions on how to adjust the audio volume balance in watchOS 9, with pictures of the screens to help.
1. Press the Digital Crown on your Apple Watch. If your apps are displayed as icons, tap the Settings icon . If your apps are displayed in a list, scroll down and tap Settings.
2. On the Settings screen, scroll down and tap Accessibility.
3. Scroll down to the Hearing section. The audio volume balance setting is found just below Mono Audio. Tap the L button to make audio louder in the left ear. Tap the R button to make audio louder in the right ear.
4. When you are happy with your settings, you can return to the clock face by pressing the Digital Crown.