BUY THE SIZING KIT FIRST Ultrahuman Ring sizes differ from standard ring sizes. Purchase the Ultrahuman Sizing Kit first, which includes a ring sizer, to accurately determine your size. The Ring AIR is available in 10 sizes (5-14), ensuring a comfortable, secure fit. Using the sizing kit helps you avoid returns and exchanges, ensuring you select the right size before purchasing.

COMPREHENSIVE HEALTH TRACKING The Ultrahuman Ring measures a wide range of metrics including sleep, activity, stress, heart health, movement, workouts, and recovery. Stay on top of your health and fitness goals with detailed insights to optimize your performance and well-being.

WOMEN’S HEALTH INSIGHTS With Ultrahuman Ring's advanced women's health features, track ovulation, cycles and pregnancy. Through multi-biomarker-based tracking for those looking to conceive, predict a 7-day fertile window and pinpoint ovulation with precision. Access cycle tracking combined with biomarker-based personalized guidance for every phase (Menstruation, Ovulation, Follicular, and Luteal). With Pregnancy Mode, expecting mothers get tailored pregnancy insights throughout each trimester.

ONE APP, NO SUBSCRIPTION Enjoy all the essential standard features of the Ultrahuman Ring, including sleep, activity, stress, heart rate, heart rate variability, skin temperature and recovery with no subscription — on the Ultrahuman App.

ADVANCED SLEEP TRACKING Ultrahuman Ring provides detailed insights into all your sleep stages — REM, Deep Sleep, Light Sleep and Wakefulness, along with actionable steps and nudges to improve sleep so you're ready for the day. It also tracks sleep debt, helping you understand your overall sleep quality and identify areas for improvement. Optimize your rest and recovery with accurate, personalized sleep insights.

RECOVERY & ACTIVITY INSIGHTS The 'Movement Index' keeps you moving for optimum glucose metabolism and fitness, increasing non-exercise energy usage throughout the day. Track steps, workouts, and calories for insights into your activity. Ring AIR also helps you recover better with enhanced recovery tracking. 'Dynamic Recovery' blends key metrics like heart rate, HRV, and skin temperature, tracking sleep and lifestyle to provide actionable insights

MINIMAL FORM FACTOR & DURABILITY The Ultrahuman Ring is crafted from space-grade titanium, offering unmatched strength and lightweight comfort. It’s water-resistant up to 100m, making it perfect for everyday wear, workouts, and even swimming.

HSA/FSA ELIGIBLE The Ultrahuman Ring is HSA/FSA eligible, allowing you to use your health savings or flexible spending account to purchase the ring. This makes it easier to invest in your health and wellness while saving on taxes, making it a smart choice for anyone looking to optimize their fitness and recovery.

A GAME-CHANGING PERSPECTIVE ON STRESS Get a deeper understanding of stress with a unique "Stress Rhythm Score" which considers the variations in your Heart Rate (HR), Heart Rate Variability (HRV), and Resting Heart Rate (RHR) against the backdrop of your circadian rhythm.

POWERPLUGS - Your health journey is unique, and PowerPlugs allows you to focus on what matters the most, to you. Understand how your heart responds to activities, stress, and rest, with the Cardio Adaptability PowerPlug; track your screen time and its impact on your health with the Screentime PowerPlug; enhance alertness and improve wakefulness with the Caffeine Window PowerPlug; and more.