Slim Smart Ring Size Before You Buy No Subscription Fee Titanium Fitness Tracker, Tracking for Sleep, Steps, HRV, Womens Health, iOS & Android...

ALL-DAY WEAR - ULTRA-THIN DESIGN: At just 2.2mm, the Slim Smart Ring is built to disappear on your finger. Lightweight, durable, and waterproof up to 100 meters, its designed for 24/7 wear through workouts, showers, and sleep without compromise. Track everything in the free app no subscription required. SNUG FIT - SIZE UP RECOMMENDED: The Smart Ring fits snug due to raised sensors on the inside for accurate tracking. We recommend sizing up. Consider knuckle width and finger swelling, and use the Ring Sizing Kit for best results. SLEEP & RECOVERY TRACKING: Track every stage of sleepawake, light, deep, and REMand get a daily Sleep Score to understand your recovery. Monitor total sleep time, trends over time, and personalized insights to improve rest, energy, and daily performance. VITALS & ACTIVITY TRACKING: Monitor key metrics like heart rate, HRV, SpO2, stress, and temperature trends throughout the day. Track steps, active calories, distance, multiple activity modes, and automatic movement detection, with advanced womens health tracking across all four cycle phases. HSA/FSA ELIGIBLE: The Slim Smart Ring is eligible for purchase with HSA or FSA funds, making it easier to invest in everyday health, recovery, and wellness tracking