Real-time positioning: Bluetooth signals are sent every 2 seconds. Nearby Apple devices detect these signals and anonymously upload the location to iCloud. It can precisely locate the position on the map of the Apple "Find" APP. 
Near-field search: Within the Bluetooth range, by triggering the "Search" APP, the device will play a sound, making it easier to locate objects in close proximity. 
Global Network Recovery: Leveraging the network composed of over 2 billion Apple devices worldwide, even when separated, one can report their location through others' devices, thereby increasing the chances of recovery.