The sequel to the all-conquering XM5 are finally official –but how do they fare against the best noise-cancellers going?

Bose's flagship headphones have been out for a little while now, and I've had mine for six months. Has time been kind to them?

We've lab tested the three best pairs of noise-cancelling headphones you can get and are here to tell you how they stack up on ANC, audio quality, comfort, connectivity, and more.