AirPods Pro Connection Issues

My AirPods Pro are fully charged and so is the case. It also appears on Bluetooth but it won't connect. I've tried resetting both the airpods and my phone but it still won't connect. My phone is up to date with the software update and I've tried to connect it to to other devices. I've never had this problem before and they were working normally. How can I fix this? It's already been two days.

Update: My AirPods will connect to Bluetooth for a few seconds before disconnecting.