Xiaomi Mi Band 4, Waterproof, Heart Rate Fitness Watch iRobot Using a full suite of

Using a full suite of smart sensors

the whitening mode can effectively eliminate tea

Manage all your files in one convenient spot with the Files app

The camera has a builtin speaker and microphone

Storage environment: -20-70 ° C

Xiaomi Mi Band 4, Waterproof, Heart Rate Fitness Watch iRobot Using a full suite ofXiaomi 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