Per Gurman, Apple intends to release the new feature “as part of an AirPods software upgrade due later this year.” He also notes

There’s no mention in the report of whether the new feature will be limited to AirPods Pro models, for instance, or will also arrive for the recently updated entry-level earbuds

Apple plans to add a live translation to its AirPods via an iOS 19 update coming later this year. As Bloomberg reports, your iPhone would listen to someone speaking in another language and relay the translation to you via your AirPods.