Smart Ring SR06: Waterproof, Blood Oxygen & Sleep Monitoring Bluetooth Wearable for Men and Women

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IF-R03 Smart Ring: Waterproof Health Monitor for Heart Rate, Sleep, Emotion & Blood Oxygen Via Bluetooth.

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R5 Smart Sport Health Ring: Monitors Heart Rate, Blood Oxygen, Sleep & More.

R02 Smart Ring Health Tracker 5.0 Bluetooth-Compatible IP68 & 3ATM Waterproof Multi-sport Modes Wearable for Android for IOS

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