Make sure your iPhone’s Bluetooth and WiFi are both turned on.
Make sure the microphone is turned on.
Make sure the light on the front of the mic is blue. If not, hold down the power button for at least 20 seconds until the light stays blue.
Make sure the microphone is within a foot of your phone when connecting.
After set-up, the mic and app should connect automatically. If they do not, you can tap the small white mic icon in the upper right of the app to bring up the “tap to connect” screen. Tap on the large image of the mic in the center of the screen to connect.