Apple AirTag Reviews Hype Up Precision Finding, Battery Life: How to Set Up and Other Features Apple is adding a new product to its ecosystem wih AirTags, which is one extremely handy device. Photo : Eric Thayer/Getty Images Apple is adding a new product to its ecosystem wih AirTags, which is one extremely handy device. For the extra-clumsy people who often forgets where they last placed their car keys, wallets or other items, Apple has developed a simple but effective solution. AirTag, which is a tracking device, was officially introduced on April 20. Pre-orders open starting on April 23, so fans can buy a single AirTag at $29 or a pack of four at $99.