AirPods Pro with model number MWP22AM/A are the 1st generation.
Key details about this generation:
Release Date: They were first released on October 30, 2019.
Chip: They use the Apple H1 chip.
Features: Notable features include Active Noise Cancellation (ANC), Transparency mode, and a charging case that supports Qi-certified wireless charging.
Individual Model Numbers: The earbuds themselves have model numbers A2083 and A2084, and the charging case is model A2190.