: You can set your iPhone to automatically open a trip log book or start a specific playlist the moment it connects to your car's Bluetooth.

: The Apple Home app manages IoT devices—from thermostats to smart locks—directly via Bluetooth.

In the modern digital landscape, the iPhone serves not just as a communication device but as a central nervous system for a sprawling ecosystem of gadgets. At the heart of this connectivity is Bluetooth technology, specifically through the Core Bluetooth framework. Far from being just a tool for wireless headphones, Bluetooth on iOS has evolved into a sophisticated platform for automation, medical tracking, and seamless device management.