ACCURATE SIZING REQUIRED ・Helio Ring uses unique sizing and does not match standard jewelry sizes. Using the Helio Ring Sizing Kit is highly recommended to ensure the correct fit before purchasing. Track your sleep quality with the ring sleep tracker, assessing stages and heart rate variability for comprehensive recovery insights

The smart ring for iphone uses an EDA sensor and heart rate variability to monitor stress levels to track your emotions The Amazfit Helio ring offers the lightweight excellence of titanium alloy, providing smart rings for superior comfort and precise tracking

This health tracker ring monitors vital metrics, including heart rate and blood-oxygen, with fitness data like VO2 Max via the Zepp App ALL-INCLUSIVE, NO FEES: Enjoy full health assessments with the aura ring, personalized sleep music, and fitness reports without subscriptions, for complete wellness support