I found I was just getting sick of the faff and bulk with my wired ATH-M50x + FiiO A3 amp. I have tried most of the big bluetooth buds (Airpods 3, Buds Pro, XM4

I found I was just getting sick of the faff and bulk with my wired ATH-M50x + FiiO A3 amp. I have tried most of the big bluetooth buds (Airpods 3, Buds Pro, XM4, Audio Technicas), I absolutely hated them. I've ended up using the FiiO UTWS5 (over ear bluetooth hooks that connect via standard IEM connectors) + Moondrop Katos, the setup is sublime. Fantastic sound quality, very reliable and great battery life with no faf and can fit it in my pocket. If you still want wired, the Apple dongle actually has a DAC/amp that is regarded surprisingly highly in the audiophile headphone community. Just remember to charge your phone. I think most of the mainstream options for wireless stuff will make hi-fi enjoyers miserable, you just have to look at something a bit more interesting. The only disadvantage is you don't get so much of the supporting features. Ambient mode isn't great, there's no ANC (I don't really care about these things), and it doesn't have the fancy pair-switching integrated stuff, so wouldn't be great if you switch between laptop and phone. But for audio, we've reached a point where it is absolutely excellent.