The numbers per [1] are:

- 243 ms for AirPods 4 ANC

- 215 ms for AirPods 4

- 185 ms for AirPods Max

- 160 ms for AirPods Pro 2nd gen

Per [2] lowest you can get with properiary dongle is 11ms, and with Bluetooth using SBC, which AirPods use, 85ms. Lowest latency possible using aptX LL Bluetooth headphones is 54 ms. For comparison, wired headphones bring it to as low as 0.1 ms with analog plug and 8 ms via USB

[1]: https://www.rtings.com/headphones/reviews/apple

[2]: https://www.rtings.com/headphones/tools/table, search for "latency" in custom columns