The new Mi Band 2 was released in June 2016, it has an updated heart rate monitor with 0.42" OLED display screen with a Touch Button operating mode. The Mi Band 2 is equipped with an ADI photoelectric heart rate sensor, it allows for real-time heart rate detection. 0.42" OLED display screen with touch button control: View time, step count, heart rate and more via the OLED screen. The 0.05mm ultra-thin button at the lower part of the mi core provides added convenience. Lift wrist to wake up the screen: When raising your wrist,to your phone, the screen will automatically unlock your phone, without the need to enter a password Heart rate monitor: Mi Band 2 with ADI accelerometer and optical heart rate sensor, displays your heart rate. Fitness Tracker : Uses an upgraded pedometer algorithm, which precisely tracks your sports, record steps, distance and calories, which helps you to achieve your sports target. Sedentary reminder: Mi Band 2 will automatically monitor the status of your activities and remind you of prolonged periods of sedation. Sleep Tracker: It lets you know when you are in deep sleep or shallow sleep, in addition the APP will give you periodical evaluation and assist in developing good sleeping habits. Silent alarm: Will wake you up in the morning by vibrating Long standby time: Xiaomi Mi Band 2 has 20 days battery life Call/APP message reminder: Tell you when a call or message comes in, you never need to worry about missing any important calls.
