The WF-1000XM4 are Sony's follow-up to one of our favorite pairs of noise-cancelling earbuds — the previous-generation WF-1000XM3. With that in mind, the new WF-1000XM4 are expected to feature ...

Interestingly, although this is 1000XM3, there was no 'M2' version – figure that one out. So, yes, the headline feature on the WF-1000XM3 headphones ... with Sony promising great results on ...