Smart ring fitness tracker ring for men/women smart rings with calories/heart rate/blood oxygen/sleep monitoring with no app subscriptionwith charging casefor android 6.0+/ios 11.0+(gold 13#)

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Smart Ring Fitness Tracker Ring for Men/Women Smart Rings with Calories/Heart Rate/Blood Oxygen/Sleep Monitoring with NO App Subscriptionwith Charging Case for Android 6.0+/iOS 11.0+(SILVER 10#)

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Smart Ring,Fitness Tracker Ring for Men/Women,Smart Rings with Calories/Heart Rate/Blood Oxygen/Sleep Monitoring,No App Subscription,with Charging Case,for Android 6.0+and iOS 11.0+ (Pink, 10#)

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Smart Ring,Fitness Tracker Ring for Men/Women,Ultra Thin Smart Rings with Calories/Heart Rate/Blood Oxygen/Sleep Monitoring,No Subscription Fee,5ATM Waterproof (Gold, Ultra Thin-8#)

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