Hi hannahi
welcome to the Apple (user-to-user) Community.
Re: "Airpods say connected but aren’t : Anyone else had this issue?"
Here's a discussion thread on similar issue:
AirPods connected but sound comes from iP… - Apple Community
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If you need some help:
You may need to update the device the AirPods are connected to, to ensure you have the latest iOS or MacOS version.
Then:
Firmware updates are delivered automatically while your AirPods are charging and in Bluetooth range of your iPhone, iPad, or Mac that's connected to Wi-Fi.
More info: About firmware updates for AirPods - Apple Support
    How to reset your AirPods and AirPods Pro - Apple Support
Resource:
AirPods User Guide – Apple Support
More Support if needed:
AirPods Support Website:
Find all the topics, resources, and contact options you need for your AirPods....
AirPods Support - Official Apple Support
All the best :-)