Xiaomi Mi Band 2 Heart Rate Monitor Smart Wristband Black

The newest version of mi band is released on June 2nd! 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.

0.42 inch OLED display screen with touchpad 
Support Heart rate monitor 
Passometer,Fitness Tracker,Sleep Tracker,Message Reminder,Call Reminder 
Water resistant (IP67) 
20-day standby power 
Sleep-cycle smart alarm
8. With a Dialog II 4.0 bluetooth chip, ADI sensor
Running MIUI Android 4.4 and above versions; For iphone 4s/5/5s/6/plus ios 7.0 and above
Unlock your Mi phone without a password
Stylish band options (incl. wrap-around and leather)
12. Wrist Strap Length 235mm Adjustable Wrist Strap Length 155mm ~ 210mm