How to identify unwanted tracking by a compact Bluetooth device

Bluetooth trackers like Apple’s AirTag have always been a two-edged sword: They’re a cheap way to track stuff you own using a tiny piece of hardware with a battery that lasts about a year. Third-party Find My items, as Apple terms them, from other companies offer different shapes and sometimes even longer battery life. You’ve got lots of options. These items rely on crowdsourced locations. Any Apple device or tracking item plus the last few generations of earbuds and

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