The key updates that make AirPods 4 block sound better - and just sound better
Briefly

The AirPods 4 introduce active noise cancellation (ANC) for the first time, thanks to an improved earbud shape, H2 chip, and upgraded microphones that enhance sound quality.
Apple's new ANC feature on the AirPods 4 effectively reduces environmental noise without needing a complete seal in the ear, marking a notable achievement in open earbuds.
The combination of a tapered design from ear scans and upgraded microphones provides better fit and noise cancellation, making the earbuds more comfortable and efficient.
With advanced computational audio made possible by the H2 chip, AirPods 4 brings features like Voice Isolation and Siri interactions, enhancing user experience significantly.
Read at Engadget
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