Some of the valid steps to connect my AirTag not reachable to other possible devices are as follows below -

  1. Reset your Airtag again
  2. Restart AirTag
  3. Check the battery condition
  4. Rotate and establish the connection
  5. Connect your AirTag
  6. Turn Bluetooth back on

Above are the certain points which you can use to connect with the Apple airtag devices.