Xiaomi Mi Band 4, Waterproof, Heart Rate Fitness Watch iRobot The camera has a builtin

The camera has a builtin speaker and microphone

inside and out

Split-Spectrum Sensor

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Using a full suite of smart sensors

Xiaomi Mi Band 4, Waterproof, Heart Rate Fitness Watch iRobot The camera has a builtinXiaomi 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