Can I purchase a single left ear AirPod Pro 2 with the hearing aid functionality?

Hi bmcaninch

welcome to the Apple (user=to-user) Community!

Re: Can I purchase a single left ear AirPod Pro 2 with the hearing aid functionality?

We are all Apple users, like yourself, in the community, so we can not speak for Apple, or advise on individual hearing matters. A hearing professional would likely have the best advice for your hearing.

You can see a list of Apple phone numbers around the world (link below):

Contact Apple for support and service - Apple Support

You may be able to purchase one "replacement" for a "lost" AirPod 2, although you likely need a pair in order to set AirPods 2 up to work correctly on an iPhone, and for updating AirPods firmware from time to time: (NB: A charging case is needed to keep AirPod(s) charged.).

Info. about: AirPods Replacement, Repair, and Service - Apple Support

Also: The hearing aid functionality may or may not be available in your country or region.

There are three features, listed separately, in Apple Support's article below:

List of countries or regions where the Hearing Aid feature is available

AirPods Pro 2 - Hearing Health Feature Availability - Apple

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More details on using the three features:

✽ Take a Hearing Test with AirPods Pro 2 - Apple Support

✽ Use the Hearing Aid feature on your AirPods Pro 2 - Apple Support

✽ Use Hearing Protection with your AirPods Pro 2 - Apple Support ( U.S. and Canada only ).

All the best :-)