As we stand in 2026, the Bluetooth audio chip industry has completed a fundamental paradigm shift. The device is no longer merely a speaker or a headset; it is a context-aware, intelligent auditory node. This evolution is driven by chips that have transcended their traditional roles, becoming sophisticated hubs for sensor fusion, real-time AI processing, and personalized health sensing. The competitive landscape is now defined by three intertwined megatrends: Sovereign Silicon Ecosystems, Edge-Native Generative Audio, and the Pursuit of Invisible Computing.