Apple introduces AirPods 4 and a hearing health experience with AirPods Pro 2 AppleAirPods 4 no longer come with a USB cable in the box 9to5MacApple Looks to Revive Sluggish Wearables Unit With New Devices BloombergAirPods 4 hands-on: noise cancellation for people who hate ear tips The VergeApple reveals revamped AirPods lineup Yahoo Finance