Xiaomi Mi Band 4, Waterproof, Heart Rate Fitness Watch iRobot Auto on/off when you unfold

Auto on/off when you unfold and fold your headphones

set a timer

the whitening mode can effectively eliminate tea

Storage environment: -20-70 ° C

Xiaomi Mi Band 4, Waterproof, Heart Rate Fitness Watch iRobot Auto on/off when you unfoldXiaomi Mi Band 4, Waterproof, Heart Rate Fitness Watch Check your heart rate in real time to make sure you get the best workout as you climb mountain roads or dash around the city. 5 ATM water resistant up to 50m, Recognizes 5 different swim styles Sport Function 6 workout modes: Treadmill, exercise, outdoor running, cycling, walking, pool swimming; Count steps, distance, and calories burned Health monitoring Workout completion notifications, goal