Cheap Xiaomi band

Mi Band 2, an updated heart rate wristband with 0.42" OLED display screen and Touch Button operating mode - Mi Band 2 is equipped with a ADI photoelectric heart rate sensor, can real-time detect heart rate, let you adjust the motion state scientifically and consume fat efficiently. Mi Band 2 manages your motion every moment and takes good care of you. Beautiful OLED display and Touch Button operating mode give you more convenient control experience.