These headphones shield all ambient noise perfectly. However, if you plan on using it for online conferencing, like I did when I bought it, you might want to reconsider headphones and go for a separate mic and speaker. It depends on your discussion style, but when I'm talking to other participants, I can't stand it when my voice sounds like I'm in a tunnel. It seems to me that I am only talking to myself, and not to the interlocutors. This is just an opinion. However, if that doesn't bother you