Xiaomi Mi Band 3 Fitness Tracker 0.78 OLED Display Heart Rate Monitor 50M Water-Resistant Bracelet Pedometer Activity Tracker Weather Forecast Smart R
1.More Accurate Fitness Tracker: Based on Mi band 2, the 3rd Generation updates its algorithm to be more accurate in recording your activity levels: steps, distance, pace, calories burned and active minutes, sleep patterns: light/deep sleeping, heart rate