B0CLHW28BG to purchase our sizing kit, designed to help you determine the correct size for non-standard hand measurements. This will help you make a more informed choice when ordering. The fitness tracking ring records exercise data and automatically monitors your heart rate and HRV every half hour, or you can do it manually via the app. Blood oxygen saturation and stress tests are measured manually via the app. The smart ring is made of lightweight, skin-friendly, and high-strength titanium, ensuring excellent workmanship and durability.
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