AeroPod, PowerPod and Newton

Thanks for the answers, John. I read on clevertraining.com that the sensors have been upgraded from v2 to v3, wouldn't that lead to better accuracy generally compared to v2? Also, what are the features of the new firmware? Lastly, is the usb connector type C or micro? The micro-usb on v2 is quite fi...

I have a v2, and am mostly happy with it. Is it worth upgrading to the v4? There is hardly any info or reviews on what is new in V4, accuracy, etc.

Thanks,