Follow the instructions below to connect your AirPods with your Mac
Why are my AirPods not connecting?
The main reason for connectivity issues will be because of
low charge Airpods.
Make sure you have turned on Bluetooth.
If your AirPods are connected, make sure they are selected
with your audio device.
Hold the charging case with AirPods inside near to Mac.
Follow the steps on the screen of your Mac.
If you still can’t connect reset the Airpods.