Use your iPhone to set up your AirPods.
Add an email account - Apple Support
How to connect AirPods to your iPhone or Android device
How to find your lost AirPods
Use EarPods with iPhone - Apple Support
Get to know the Apple Support app for iPhone and iPad
Wearing your AirPods, AirPods Pro, AirPods Max, EarPods, or Beats devices - Apple Support
How to Connect Apple AirPods to iPhone and iPad
Use Apple wired headphones - Apple Support
How to connect your AirPods to an iPhone (and just about any other device)
Official Apple Support
Forward SMS/MMS text messages from your iPhone to other devices - Apple Support