All of these AirTag alternatives use Bluetooth to track the location of items in real time. They have a long battery life and use the iPhone’s Find My app or something similar. The Apple AirTag
Mime. This link enables the AirTag to be recognized and tracked by devices associated with the Apple ID. The AirTag is then integrated into Apple’s Find My app, which is used to locate lost or misplaced devices. All AirTags have an NFC chip compatible with Apple’s Find My Device network. Thus, it gives you an accurate location for your lost items