AirTag Precision Finding is an iPhone 11 and iPhone 12 Exclusive Feature
https://wccftech.com/airtag-precision-finding-is-an-iphone-11-and-iphone-12-exclusive-feature/
The new Precision Finding feature in the AirTag is exclusive to the iPhone 11 and iPhone 12 lineup of smartphones only. Here's why.
Apple really ruffled a few feathers with the announcement of the new AirTag accessory. Priced at $29, it is quite cheap too. But the value enhances a little if you are opting for a 4-pack, which is rightfully priced at $99.