XiaoMi Mi Band Smart Watch (with Pulse Detection) – Black

A new version is coming! Mi Band a heart rate wristband - Everyone is worth having. During aerobic exercise have a good heart rate it is better to loss weight and improve cardiorespiratory capacity. Mi Band 1S equipped with a optical heart rate sensor can real-time detect heart rate let you adjust the motion state scientifically and consume fat efficiently. Mi Band 1S manages your motion every moment and take good care of you