QRNT Slim Smart Ring Snug Fit Size Up Water-Resistant Titanium Fitness Tracker, Tracking for Sleep, Steps, HRV, Womens Health, No Subscription...

The Slim Smart Ring features an ultra-thin 2.2mm design for all-day comfort. It is lightweight, durable, and waterproof up to 100 meters, suitable for continuous wear during workouts, showers, and sleep. Track your data in the free app with no subscription needed. For a snug fit due to internal sensors, sizing up is recommended. Consider knuckle width and potential finger swelling; using the Ring Sizing Kit is advised. It provides comprehensive sleep tracking, including awake, light, deep, and REM stages, along with a daily Sleep Score to understand recovery. Monitor total sleep time, long-term trends, and personalized insights to enhance rest and energy. The ring also tracks vital metrics like heart rate, HRV, SpO2, stress, and temperature trends. It monitors steps, active calories, distance, various activity modes, and automatic movement detection, with advanced women's health tracking across four cycle phases. This product is eligible for purchase with HSA or FSA funds.