Install iOS 13.4 If You Plan to Buy AirPods Pro
If you've already bought a pair of AirPods Pro, or you're planning to buy a pair in the near future, and you skipped iOS 13.2, iOS 13.2.2, iOS 13.2.3, iOS 13.3, and iOS 13.3.1, you need to download iOS 13.4.
The iOS 13.2 update brought support for Apple's new AirPods Pro. This means your iPhone needs to be running iOS 13.2, iOS 13.2.2, iOS 13.2.3, iOS 13.3, iOS 13.3.1, or iOS 13.4 in order to use them.
The AirPods Pro feature Active Noise Cancellation, immersive sound, and an all-new lightweight, in-ear design.
If you're interested in buying a pair, head here for more information about Apple's new earbuds.