Why is , turn charging case sound on my AirPod pro grayed out?

Hi there obieze65,

Only the charging case of the AirPods Pro (2nd generation) plays a sound when it charges. Ensure you have this model of AirPods Pro using this: Identify your AirPods

If you do have the AirPods Pro (2nd generation), let's reset them next. This refreshes the firmware and can resolve unexpected issues like this. These steps from How to reset your AirPods and AirPods Pro (that you've already looked over) show how:

1. Put your AirPods in their charging case, and close the lid.

2. Wait 30 seconds.

3. Open the lid of your charging case, and put your AirPods in your ears.

4. Go to Settings > Bluetooth. Or go to Settings > [your AirPods].

• If your AirPods appear there as connected, tap the More Info button  next to your AirPods, tap Forget This Device, then tap again to confirm.

• If your AirPods don't appear there, continue to the next step. 

5. Put your AirPods in their charging case, and keep the lid open. 

6. Press and hold the setup button on the back of the case for about 15 seconds, until the status light on the front of the case flashes amber, then white.

7. Reconnect your AirPods: With your AirPods in their charging case and the lid open, place your AirPods close to your iPhone or iPad. Follow the steps on your device's screen.

Cheers!