https://wccftech.com/apple-is-working-on-new-powerbeats4-headphones-as-per-ios-13-3/ > Apple is working on new Powerbeats4 wireless headphones with Hey Siri support, as per new strings found in iOS 13.3's public build. > Powerbeats4 will be direct successors to Powerbeats3, which shipped with a W1 chip. As per the strings found in iOS 13.3 by 9to5Mac, Powerbeats4 will support hands-free Hey Siri. This means that the new wireless headphones will also ship with the new H1 chip, which enables this feature. H1 chip was introduced in second-generation AirPods, and also included in AirPods Pro. Compared to the W1 chip, the H1 chip provides faster connectivity and improved battery life.