Honestly, ive been a bit let down by the wireless flagship market lately. Everyone jumps straight to the AirPods but the soundstage feels really cramped if youre actually into high-fidelity stuff. I have had some annoying firmware issues with mine recently too which is just frustrating. Quick question tho, are you looking for over-ear cans or just in-ear buds? It makes a huge difference for the technical performance you can expect for that budget. Adding my two cents on the technical side:

• Sony WH-1000XM5 Wireless Noise Canceling Headphones have technically superior ANC but the plastic hinges feel kinda cheap for the price, which is super disappointing tbh.
• Bose QuietComfort Ultra Headphones are basically the kings of silence but their app is honestly a disaster half the time and loses connection for no reason.
• <a href=" https://www.ebay.com/sch/i.html?_nkw= Sennheiser+Momentum+4+Wireless&_sacat=0&_from=R40&_trksid=p4624852.m570.l1311&mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5337998953&customid=22&toolid=10001&mkevt=1" target="_blank" rel="nofollow sponsored">Sennheiser Momentum 4 Wireless actually sounds the best out of these but the ANC isnt quite as aggressive as the Sony or Bose. Let me know what fit you prefer and i can help you narrow it down more! Happy to dig into the codecs with you.

AirPods Pro 2 are the obvious choice - seamless integration with iPhone, incredible ANC, and spatial audio is mind-blowing. Yes, they're pricey ($249) but worth every penny if you're in the Apple ecosystem.