Bluetooth not working on Macbook Air M1

I have an M1 2020 Macbook Air and never really had any issues with it, or with the bluetooth. I just got new wireless headphones cause my Beats casing crack (oops). The beats were seamless between devices and work so well with the mac, though i know thats part of the design. My new ones though, cant pair.

I dont think its the headphones - they have paired fine with phone and ipad. I think it's the mac and the bluetooth. Basically, it isnt finding new devices (and doesnt look like its looking?), i dont have an option to disable bluetooth at all (the button is there but doesnt work / is sort of faded out), and i have four devices showing in the list but can't remove them, there's no option for that at all.

I have tried the terminal and spotlight things you can do which reset your bluetooth, didnt seem to have any effect. And i was on an older OS, but updated to Tahoe last night and tried it all again with no joy.

Any advice?

-- looking at the pics, realising bluetooth is maybe off not on, which def makes it a problem, but i still cant turn it on! So same question :)

Also realising that it says its configured by a profile but i cant see that anywhere, so if anyone has any shouts on that please lmk!

[Re-Titled by Moderator]

Original Title: Bluetooth not working properly?