AirTag

The AirTag is a location tracking device that was announced by Apple on April 20, 2021.

Usage
AirTags utilize and can be located through the Find My app. iPhone 11 and later models with the Apple U1 chip can locate them more quickly with Precision Finding. AirTags can also be set to play a sound. It is powered by a standard user-replaceable battery which is expected to last at least a year.

Lost AirTags can be discovered wirelessly by other Android and iPhone users, but owner information is kept private, with the exception of the lost message pre-set by the owner.

Availability
AirTags are scheduled to go on pre-order on April 23, 2021 and ship by April 30. They will be available individually or in packs of four with the option of personalization with emoji or text characters at no extra charge.

Articles

 * Apple's AirTag helps you keep track of your things for $29 each, $99 in a four-pack by Andrew O'Hara at AppleInsider (2021-04-20)