Original Xiaomi Miband 2 OLED Display Heart Rate Monitor Bluetooth Smart Wristband Bracelet. 0.42inch OLED display screen with touchpad. Support Heart rate monitor. Passometer, Fitness Tracker, Sleep Tracker, Message Reminder, Call Reminder. Sleep-cycle smart alarm. Running MIUI Android 4.4 and above versions; For iPhone 4s/5/5s/6/plus ios 7.0 and above. Buy this product and Save 11$ OFF for Xiaomi Miband2.