Smart watch, call, message reminder, compatible with iPhone/android mobile phone

Heart Rate Monitor,Other,Blood Oxygen Monitor,Sleep Monitor,Blood Pressure Monitor. Voice assistant built-in. Smart Watch. Smart Watches. Android Wear,Proprietary OS,Android OS,iOS,Wear OS,Color OS,HarmonyOS,FreeRTOS,Wacth OS,Zepp OS,DuWear,Tizen OS.

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