If I were to hazard a guess, it would be a culture of bugfixing and software updates post-launch. These headphones no doubt share a lot of code with Airpods. Co

If I were to hazard a guess, it would be a culture of bugfixing and software updates post-launch. These headphones no doubt share a lot of code with Airpods. Code which has received numerous bugfixes throughout it's life. Coupled with their ability to actually push out firmware updates to their users without needing them to install a separate (buggy) app, it leads to the evolution of a very stable software platform over time. I'm just speculating, but how much embedded code do you imagine Sony throws away and re-writes for every new headphone release versus how much is retained.