Photo 1 of 4.4 4.4 out of 5 stars (505) Smart Health Ring for Women Men Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, Step Counting, IP68 Waterproof for iPhone and Android, No APP Fee, Black 9

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Photo 1 of 4.4 4.4 out of 5 stars (505) Smart Health Ring for Women Men Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, Step Counting, IP68 Waterproof for iPhone and Android, No APP Fee, Black 9Photo 2 of 4.4 4.4 out of 5 stars (505) Smart Health Ring for Women Men Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, Step Counting, IP68 Waterproof for iPhone and Android, No APP Fee, Black 9Photo 3 of 4.4 4.4 out of 5 stars (505) Smart Health Ring for Women Men Fitness Tracker with Heart Rate, Blood Oxygen, Blood Pressure, Sleep Monitoring, Step Counting, IP68 Waterproof for iPhone and Android, No APP Fee, Black 9