Apple launched battery cases for the iPhone 11, iPhone 11 Pro, and iPhone 11 Pro Max today. The new cases feature a dedicated camera button that can snap a photo or start recording video without the need for launching the Camera app or unlocking the device. The cases are priced at $129.
https://www.notebookcheck.net/New-battery-cases-for-iPhone-11-and-iPhone-11-Pro-feature-a-dedicated-camera-button.443708.0.html