I also use them for conference calls. I think one of the super awesome but barely talked about features of the airpods is how you can use it to handle calls nonstop all day long -- you can just wear one at a time. Both airpods have a microphone. So while you're using one, the other one is in the charging case! You can even switch them out in the middle of a call. So no need to go "oh crap I need to recharge my headset", just swap them out and you're at 100% for continuous non-stop talking.

Most days, however, I don't have calls all day long, and I can just wear both no problem and not run into the low battery beep.