Apple AirTag 1 Pack with Wireless Technology Apple FindMy Bluetooth and Ultra Wideband. Includes a CR2032 3V coin battery, that lasts around 1 year. AirTag is the supereasy way to keep track of and find your things. Attach one to your keys, or slip another one into your backpack. And just like that, they’re on your radar in the Find My app.AirTag. Keep track of your keys, wallet, luggage, backpack, and more, all in the Find My app. Play a sound on the built-in speaker, or say “Hey Siri, find my gym bag.” With select iPhone models, Precision Finding can lead you right to your nearby AirTag.1 If it’s farther away, hundreds of millions of Apple devices in the Find My network can help track it down. All anonymously and encrypted for privacy.