Good, could be better
Records basic data but could be a little more interactive. It would be great to be able to edit sleep time like the Mi Fit app. Often the Band Z1 will think I am asleep in the evening and mornings if I sit and read or watch tv for an extended time. It too would be great to be able to scroll through the data graph to see exact times and steps. Also, since last firmware update on the Band the step count readout on the watch is delayed. It sometimes takes several minutes for the actual step number to update, before it accurately showed each step in real-time.
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