Apple seems to have perfected its Bluetooth tracker on its first try.
Introducing Our Premium Apple Airtag (Tracking/GPS) Case - Built-in Powerful Neodymium Magnet, Anti-Slip Technology & Waterproof to Attach to Cars, Trucks, etc. Never Lose Your Items Again! : Electronics
Apple AirTags: Everything You Need to Know
Apple AirTag review: If you own an iPhone and need a tracker, why buy anything else?
Apple AirTag Review: The Best Tracker For iPhone Users
Are AirTags a Stalker's Dream? Maybe
Tile vs. AirTag Tracker Comparison Guide
Apple AirTag Review: Finding Lost Items Made Simple
Apple's AirTag tracker will probably help you find your stuff, but there are privacy concerns when it comes to people
Pros and cons of tracking your lost items using Apple AirTag versus Tile trackers
Apple AirTags: Everything You Need to Know - CNET
Apple AirTag Review: The Device That Tracks Your Luggage - AFAR
Apple AirTag review: If you own an iPhone and need a tracker, why buy anything else?