Taking a look at Apple Air Tags and Samsung Galaxy Smart Tags. How well do these bluetooth gadgets track?

AirTag on Amazon: https://amzn.to/3Y81g57
AirTag 4 pack: https://amzn.to/3y3Ypjd
SmartTag on Amazon: https://amzn.to/3Z8QexU
SmartTag 4 pack: https://amzn.to/41PepU3