Where can I find the current firmware version of the Smart B-Trainer, or the software version of the app?
Smart B-Trainer (device)
You can check the current firmware version of the Smart B-Trainer from the "Device information" option in the app menu.
B-Trainer for Running (app)
You can check the software version of the app by selecting "Settings" from the app menu, then "About B-Trainer for Running".