Blackview Smart Watch Guide 1.3" Full Touch Screen, 5ATM Waterproof Pedometer, All-Day Activity Tracker with Heart Rate Sleep Monitor, Blackview Smart Watch for Android Phones and iOS Phones

Heart Rate Tracking Continually To better track calorie burn and maximise effort during workouts, use heart rate. Better Sleep, Better Life Your health depends greatly on how well you sleep. Utilize a Blackview smartwatch at night to track your sleep, create better routines,

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