Osu

Hello my name is Jonas and I've had a audio/video sync problem ever since I bought my pc (about a year ago) and I've tried so extremly many things from 1000 different suggestions. Its a small delay, about 100ms wich isnt visable if you do regaular things on the computer, but I play rythm games...

My headset just broke so I'm looking for some recommendations. I play rhythm games a lot so that's what I will use them for. Thanks. :)