The case also gets a small speaker so you can find your AirPods 4 easily or notify you of incoming calls, for example. Right next to the speaker, Apple has added a USB-C connector for charging. Now, the AirPods can be charged wired or wirelessly
The ANC comes with additional features such as Transparency Mode and Adaptive Audio. The former amplifies the outside noise so you can hear your surroundings more clearly while the Adaptive Audio intelligently selects the appropriate mode depending on your environment For instance if the system detects that you are engaging in a conversation, it will turn on Conversation Adaptiveness and lower the music volume
The case has also been revamped and Apple says it’s the lightest and most portable one yet. With the said case the buds can go for 30 hours of continuous playback so no compromises in battery life