Ring AIR - Advanced sleep-tracking wearable, HRV & Temperature Monitoring,Track workout, movement & recovery, Water resistant, 6 Days Battery Life with Lifetime Free Subscription (Size 8) - Air Gold

SLEEP INDEX - The ring AIR serves as an ideal sleep tracker companion. Derived to help you understand the various sleep stages such as deep sleep, REM sleep, Light sleep and being awake, during different stages of sleep, different metabolic processes of the body occur for growth, repair, restoration, and maintenance., MOVEMENT INDEX - Designed to help you move across the day enabling better metabolism and cardiovascular functioning. The ring AIR serves as a comprehensive fitness tracker, step tracker, calorie tracker, metabolic equivalents (METs), and more., RECOVERY SCORE - It is derived from a blend of key metrics including heart rate monitoring, Heart Rate Variability (HRV) and skin temperature, interpreting the signals your body sends and enabling you to monitor your overall well-being., WORKOUT TRACKING - The Ring AIR is a fitness ring with dedicated "Workout Mode" that tracks various activities, giving you deeper insight into your overall workout metrics, by tracking heart rate during workouts, users can gain insights into their cardiovascular response, track intensity levels, and make informed decisions to improve their fitness outcomes., STIMULANT WINDOW: A game changer for all caffeine enthusiasts, helping you to make smart choices about your stimulant consumption., MENSTRUAL & PREGNANCY INSIGHTS: Experience tailored guidance across every phase of your cycle, from Menstruation to Ovulation, Follicular phase, and Luteal phase. Seamlessly transition to Pregnancy Mode for personalized insights throughout each trimester. These features render the AIR the ultimate smart ring for women., HSA/FSA ELIGIBLE - Giving you added flexibility for your healthcare spending.