Needs work
It takes a tremendous amount of time to update anything from the phone to the band , should sync more often too , simple things takes way to long to accomplish from the phone to the band , it should also have real time heart rate monitoring as some other brands offer , it would be a tremendous help to see your heart rate in real time when you are running on a treadmill.
Eriksampabr about
Microsoft Band, v1.3.20307