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R02 Smart Ring with Charging Case
$21.87
SPECIFICATIONSActivity Tracked: Activity Tracker,Steps Tracker,Distance Tracker,Calorie TrackerBattery Capacity(mAh): 17mAhBrand Name: COLMICase Material: SteelCertification: ce,FCCChoice: yesDisplay screen: NoHign-concerned Chemical: NoneItem Weight: 4.4gMetrics measured: Heart Rate Monitor,Sleep Monitor,Blood Oxygen Monitor,Stress MonitorModel Number: COLMI R02NFC Support: NoOrigin: Mainland ChinaWaterproof Grade: 5ATM COLMI Smart Ring No.1 in sales on AliExpress, and is far ahead. Note:1. For best performance and accuracy, we recommend wearing the...