You just need to start your unit with click the blue button twice to start it. And twice to end it. Then sync the session with the app.

better to initiates the session with the phone app , once it is going you can turn the phone app off as the battery of the device and your phone are taxed by the continuous sync. so if I use the iPhone on while I do an activity it u I get approx 24 hours from the X2, if I initiate it from the app the close the app on iPhone I get considerably more…Read More