In comparison to the original version, these are everything and more. They’re light weight, rest comfortably around my head (21.5, on the smaller side), battery life is longer and battery along with speaker size are smaller. Low tunes produce sound leakage at mid volume or higher but is an improvement in comparison. Overall I’m happy with the performance and comfort.
The shokz are excellent. light weight, good volume, mostly comfortable. the noise cancelling is much better than the ear buds I used. I wear the small - which is still a little too big; it would be a huge step if the head bands could be adjustable - even if just by 1/2 an inch for both sizes.