"You can use your iPhone 15 and later to charge your AirPods, Apple Watch or another small device that supports USB Power Delivery at up to 4.5 watts." from ht

"You can use your iPhone 15 and later to charge your AirPods, Apple Watch or another small device that supports USB Power Delivery at up to 4.5 watts." from https://support.apple.com/en-gb/105099 https://support.apple.com/en-gb/105099 This works with my Beats headphones and is very useful.