Smart Fitness Ring HR Sleep BP SpO2 Tracker Waterproof Health

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Major Function:Sport Record: Steps Calories DistanceHeart Rate MonitorBlood Pressure MonitorBlood Oxygen MonitorSleep TrackerSport ModesRemote CameraHARDWARE Parameter:Free APP: Smart HealthCompatible System: Smartphone iOS 8.0 or above Android 5.0 or aboveConnection Parameter:Low Energy Bluetooth: 5.0Battery:Ring Battery Capacity: 20mAhCharging Type: Magnetic ChargingWork Time of Ring: A full charge can work for 2-4 daysPacking:1* Smart Ring1* Charging Cable for Ring1* User ManualNOTES:DO NOT suit for hot water or steamIf you have any question contact us freely and we will offer satisfied solution within 24 hours.