[Swordmaker]

establish a large watch user base first. To get people used to it and then to push for it to be a standalone device.

They need a better battery life ability and that’s why I think that port is for being body powered one or more ways.

There's the reason for not having a wrist phone. Cellular phone use is a power eater! Samsung's Gear S does it now. . . and for the last six months and is not selling well. It still needs a Samsung Galaxy phone to pair to, but will connect without the phone. . . but it requires charging three to four times a day!

[Secret Agent Man]

There’s some amazing battery technology at the nanoscale level that not only increases storage but rapid charging. They are probably banking on that being available not too long from now.