Convenience is the number one thing with Sony's 1000Xs. Any time I'm going out, I pick them up ahead of the dozens of in-ear headphones I own, even though the latter are smaller, lighter, and often sound better.
Exceedingly comfortable; Noise canceling doesn't get any better; Long battery life; Great sound quality for Bluetooth headphones
Fiddly touch controls; Materials are sturdy; but underwhelming for $400; MicroUSB charging is so very 2016