The small white buckles are mounting buckles provided specifically together with Eartune Fidelity for AirPods Pro only, which are needed to affix your Eartune Fidelity to the AirPod Pro.
To install the custom tips:
-
First install "buckles" onto AirPods Pro. Buckles are included in the package in a small zip bag.
-
Then mount custom tips onto the buckle.
Right side custom-tip is indicated with red "ADV." logo, left side custom-tip is indicated with white "ADV." logo. -
Please see following video to for installing the tips: https://youtu.be/kIbwsvyGYU0
If you need replacement mounting buckles, check out this article.