The same button is also there in stock Firefox. Im not sure what the OP was on about

Yeah sorry I was assuming it was a mistake

I dont use iPhone but my mom does . Are you saying that AirPods can be used as a "receiver" and play music through Jack?

How do you go about that, are you charging them constantly? Is it the box or the ear thing that has the output?

I could imagine they'd be interested in you over here: Tosdr.org