JCRing Smart Ring Fitness Tracker, Sleep Tracking Wearable, Accurate Monitoring of Pedometer, Heart, Temperature, Titanium Ring with Charging Case, APP for iOS & Android(Black Size7) 7 Black
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JCRing Smart Ring Fitness Tracker, Sleep Tracking Wearable, Accurate Monitoring of Pedometer, Heart, Temperature, Titanium Ring with Charging Case, APP for iOS & Android(Black Size7) 7 Black