Electronics · United States

Smart Ring R18 Heart Rate Blood Pressure Oxygen Sleep Monitor Fitness Tracker Step Counter Health Exercise Wearable Device

Product no longer available. The stores we track no longer sell it; last price seen $36.54.

Price history: 5 daily prices tracked since 2026-10-18; lowest $36.42, highest $36.54.

Smart Ring R18 Heart Rate Blood Pressure Oxygen Sleep Monitor Fitness Tracker Step Counter Health Exercise Wearable Device

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