Yes, if someone goes far away by leaving or missing their Airtag from them. So, the Airtag will disconnect immediately. But before disconnecting it will sound like the Airtag will be disconnecting, on that movement you will find out your Airtag and keep it to yourself. Rather you can lose it if you missed it. Bluetooth technology will work better with Apple Airtag devices. Use the Airtag with Bluetooth technology.