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Apple AirTag ($23, originally $29)

I have Apple AirTags for all my essentials (from my luggage to my keys), and they give me such peace of mind while traveling. Even when my checked luggage was left behind at the connecting airport on a recent trip, I was able to tell its exact location before the gate agent could. I can't recommend AirTags enough: just drop one in your carry-on or checked bag and you can track its movement from your phone or computer. See how useful the tech gadget is in our editor's Apple AirTags review.

Editor Quote: "These devices are best for people who travel a lot, or who are always misplacing things like their keys or wallet. They're also best for people with Apple devices, as they pair automatically with your iPhone." — India Yaffe, former associate shopping editor