Modern smartphones have a few connectivity options, including Bluetooth, Wi-Fi, 4G, and 5G. However, connecting a new device can be confusing, especially for people unfamiliar with the device pairing process.
However, if they're compatible with Google Fast Pair, connecting them to your Android device or Chromebook is a seamless task that's completed in seconds.
How to use Google Fast Pair
Even though Google Fast Pair is an advanced feature, it's easy to use and doesn't require specific skills. The steps to use Google Fast Pair to connect a new accessory to your phone, tablet, Android TV, or Chromebook are seamless.
Once the pairing process is completed, you may receive a notification to download a companion app for your device. This may not necessarily be the case, depending on whether your manufacturer has one.
if the process still isn't working, check that Fast Pair isn't deactivated on your device:
Open your device's settings.
Search for Fast Pair.
Tap Devices.
Make sure Scan for nearby devices is turned on.
If this still doesn't do the trick, ensure Google Play Services notifications aren't turned off:
Open your device's settings.
Go to Apps & Notifications.
Tap Google Play Services.
Tap Notifications and make sure notifications are turned on and allowed.
guide on how to locate your lost device, which works on Android smartphones and tablets, as well as accessories compatible with Google Fast Pair.
https://www.androidpolice.com/how-to-find-lost-android-device/