The Ultrahuman Ring is a revolutionary health tracking device designed to optimize your well-being with precision and ease. Start with the Ultrahuman Sizing Kit to ensure the perfect fit, available in sizes 5-14, reducing the hassle of returns and exchanges. With comprehensive health tracking, monitor key metrics such as sleep, activity, stress, heart health, workouts, and recovery—all through one intuitive app with no subscription required. Women can benefit from advanced features like ovulation and cycle tracking, pregnancy insights, and personalized biomarker guidance for every phase. The Ultrahuman Ring also excels in sleep tracking, offering detailed analysis of REM, deep, light sleep, and wakefulness, along with actionable recommendations to enhance rest and recovery. Take control of your health with the Ultrahuman Ring, a perfect blend of innovation and simplicity.