Mi band 3

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This fitness band is going to last you 30 days of battery time .. it wont just tell you your steps. It will let you know when an SMS reaches you, it will tell you the weather and a whole lot more

0.78 inch OLED Touch Screen. the screen displays comprehensive and rich information.
5ATM Water Resistant Rating. Withstands pressures equivalent to a depth of 50 meters, making it bulletproof when being exposed to rain, splashing, accidental submersion, showering and swimming.

It has a Heart Rate Monitor and will accurately monitor pulses and active and resting heart rate changes to generate a professional heart rate report.

The device also has a Pedometer / Sleep Monitoring / Sedentary Reminder function. The Mi Band 3 helps you record all your activities in the day,calculate the distance you walk and calories burned, it will monitor your sleep with Android sleep , remind you to have a rest and track your steps, mileage and calories.