Even taking into account all of the things that are wrong with it, in general, the thing is quite satisfactory. The work of the two applications Notify & Fitness (for connecting the bracelet with an alarm clock) and Sleep As Android (a smart alarm clock) is not satisfactory. This is the primary reason I purchased this bracelet in the first place. It is much more pleasant to be woken up by a subtle vibration on the wrist rather than the loud ringing of an alarm clock, and this device does a great job of re-establishing a more restful sleep pattern. Of course, it is not a cure-all, but still.
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