> AirTag is designed for over a year’s worth of battery life with everyday use. The CR2032 battery is user-replaceable and widely available. Replacement batteries are sold separately.
That's the piece of information I wanted to know first. Devices like this can be built, but those can't run on batteries for a reasonable time frame.
That's the piece of information I wanted to know first. Devices like this can be built, but those can't run on batteries for a reasonable time frame.
Apple made it practical.