AirTag. Use the Find My app to keep track of your wallet, keys, bag, luggage, and more. Say “Hey Siri, find my gym bag” or play a sound on the built-in speaker. Precision Finding on some iPhone models can direct you directly to your closest AirTag. If it’s farther away, the Find My network, which consists of hundreds of millions of Apple devices, can assist in finding it. Encrypted and anonymous for privacy.