Explore the advanced features and implementation of Bluetooth Low Energy in Zephyr through this comprehensive conference talk. Delve into the Zephyr Bluetooth Controller's architecture, supported features, and configurations for product differentiation. Learn about Bluetooth Core Specification v5.x enhancements, including Longer Range, Higher Throughput, Direction Finding, and LE Isochronous Channels for LE Audio solutions. Discover CPU utilization techniques, execution context safety, race-to-idle concepts, and optimizations for memory and power consumption. Gain insights into product use cases, connected isochronous architecture, and power profiling for various Bluetooth Low Energy scenarios.