This smart ring is able to be worn alone or with your Amazfit smartwatch. Sync workout and sleep data from the Amazfit Helio Ring or other Amazfit smartwatches to the Zepp Amazfit App for a combined view of performance, recovery, and insights. Zepp Aura Premium is totally free for Amazfit Helio Ring users. Enjoy customized sleep sounds, detailed weekly and monthly sleep reports, and access to an AI chatbot that answers your questions. Track your sleep quality, assessing stages and heart rate variability for a comprehensive recovery insights The EDA sensor and heart rate variability monitors stress levels to track your emotions Constructed with lightweight titanium alloy for superior comfort and precise tracking Monitors vital metrics, including heart rate and blood-oxygen, with fitness data like VO₂ Max via the Zepp App Enjoy full health assessments with the aura, personalized sleep music, and fitness reports without subscriptions, for complete wellness support