AirPods Pro Work Just Fine with 10-Year Old iPhone 3GS, Noise Cancelling and All
https://wccftech.com/airpods-pro-work-just-fine-with-10-year-old-iphone-3gs-noise-cancelling-and-all/

iPhone 3GSでも動作するAirPods Pro
ノイズキャンセリングも機能する