Amazfit Helio Ring Size 8, Smart Ring with Sleep Monitor, Heart Rate Monitor, 10 ATM Water Resistance - 3.75 g Ultralight Fitness Tracker with up to 4 Days Battery Life, 8

PREMIUM SLEEP MONITORING: Track your sleep quality with the ring sleep tracker, assessing stages and heart rate variability for comprehensive recovery insights ADVANCED STRESS MANAGEMENT: The smart ring for iphone uses an EDA sensor and heart rate variability to monitor stress levels to track your emotions EXPERT DESIGN AND COMFORT: The Amazfit Helio ring offers the lightweight excellence of titanium alloy, providing smart rings for superior comfort and precise tracking ENHANCED HEALTH ANALYTICS: 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