Xiaomi Mi Band 4, Waterproof, Heart Rate Fitness Watch nest cam ajman Operates on internal rechargeable battery

Operates on internal rechargeable battery

15 small cyclones create strong centrifugal forces

Driven by the custom Apple W1 chip

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Xiaomi Mi Band 4, Waterproof, Heart Rate Fitness Watch nest cam ajman Operates on internal rechargeable batteryXiaomi 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