https://appleinsider.com/articles/21/03/26/apple-airtags-slightly-larger-than-us-half-dollar-coin-says-leaker
Apple 'AirTags' slightly larger than US half-dollar coin, says leaker | AppleInsider
The dimensions of Apple's forthcoming "AirTags" have purportedly been revealed, along with details concerning how they will work.
us half dollar coinapple airtags