Electronics · United States
R21 Smart Ring 2.3mm Ultra Thin Stainless Steel SpO2 HR 5ATM Waterproof Fitness Tracker Health Rings Lightweight For Men Women
Lowest price: $52.41 · 1 store · price range $69.88 … $69.88 · 25% off the list price
Price history: 2 daily prices tracked since 2026-11-13; lowest $52.41, highest $52.41.
Price last confirmed by the store feed on 2026-11-13.
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