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 | Note Non medical equipment The health test function is for reference only and cannot be used for medical purposes Specification Model B5 bluetooth Version BT5 3 Compatible OS Support Android 4 4 IOS 9 0 and above Operating Mode Non touch APP Name Nx WearSpecial FeaturesHealth Heart Rate Monitor Blood Oxygen SpO2 Monitor Pressure Detection Sleep Monitor Women s Health Exercise and Record Multiple Sports Modes Calorie Distance Step CountTechnical Parameters Waterproof 5ATM Battery Battery Capacity 18mAh Standby Time About 5 7 days Using Time About 3 5 days Charging Time About 2 3 hours Charging Type Magnetic chargingAppearanceDe |  |