AirTag is a great concept: the magic of calling your phone to find out where it is, but applied to every object in your life you might lose. What you may not know is that AirTags work really well for pets, too. Just stick them on the collar of any outdoor (or flight-risk) animal, and you'll be able to use your iPhone to find them. AirTags work using Bluetooth, which has an effective range of about 100 feet — ideal for cats, who tend to stay close to home when they get lost, but also helpful for dogs. It's a lot easier to get within 100 feet of a skittish pup than to find the exact bush or porch it's hiding under. — A.S.
Read more: The best Bluetooth trackers