Thanks for posting and welcome to the Bose Community! Sorry to read that you are having issues with adjusting the volume on your earbuds.
I'd recommend checking out our in-depth steps on how to enable this feature here. If you are still having this issue or are unable to see this feature, please ensure that your Bose Music app is running the latest software version 4.2.4.
Let us know how you get on with this!
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