Ultrahuman AIR Smart Ring, Aster Black - Size 13
Before ordering the Ultrahuman Ring Air, be sure to get the free sizing kit! Ring sizes are unique – only with the kit can you find your perfect fit. This ensures that the ring fits comfortably, works optimally and saves you unnecessary returns and reorders.
- Perfect Fit Guaranteed - Order the essential sizing kit first to find your ideal 13 size fit for the Ultrahuman Ring AIR ensuring comfort and peak tracking accuracy
- Titanium Durability - Experience the strength of space-grade titanium in an Aster Black finish that remains lightweight and water-resistant for deep sea swimming up to 100m
- Advanced Sleep Analysis - Master your rest with detailed REM and deep sleep insights plus sleep debt tracking to optimize your daily energy levels and nightly recovery quality
- Comprehensive Health Metrics - Track heart rate variability and recovery stats with the smart app for insights into your stress rhythm and metabolic wellness without subscriptions
- Long Battery Performance - Enjoy up to 6 days of continuous monitoring with this black wearable device that offers seamless wireless charging and advanced health tracking
Order the sizing kit for the perfect fit!
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
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.
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.
INSIDE THE AIR
Boasting a smooth hypoallergenic inner shell and constructed with Space-Grade Titanium, Ring AIR comes with up to 6 days of battery life, wireless charging, and water resistance up to 100 m.
What's in the box:
- Ultrahuman Ring AIR
- Standard Ring Charger
- Type-C to C Cable (1m)
Ovulation Tracking
Pregnancy Insights
Calories burned
Activity vs. inactivity
Hours slept
Skin temperature
VO2 Max
Inner: hypoallergenic epoxy resin
Android 6 or later
Non-contact medical-grade skin temperature sensor
6-axis motion sensors
Red LEDs (heart rate monitoring and oxygen saturation)
Green LEDs (heart rate monitoring)
Infrared LEDs (heart rate monitoring)
How do I ensure the Aster Black Ultrahuman Ring Air size 13 fits my finger perfectly for accurate health data?
To guarantee an optimal fit, please use our provided sizing kit before finalizing your order. This ensures the titanium ring remains comfortable while allowing the sensors to provide precise sleep, HRV, and heart rate monitoring results.
Can I wear my new lightweight titanium smart ring during intense swimming sessions or in the shower every single day?
Absolutely, the Ultrahuman Ring Air is built to be water-resistant and highly durable for your active lifestyle. You can confidently keep it on during aquatic activities, showers, or rainy workouts without compromising its advanced metabolic insights.
What is the expected battery performance of this fitness tracking ring when using all the available health features?
You will enjoy up to 6 days of continuous usage on a single charge. The device supports quick charging, ensuring you spend less time tethered to a cable and more time gathering wellness data to improve your recovery and daily metabolic health.
Does the Ultrahuman Ring Air require a constant connection to my mobile device to track my heart rate and sleep patterns?
The ring operates seamlessly by syncing with the dedicated app to store detailed wellness metrics. While it stores data locally, connecting periodically allows you to review your heart rate, recovery, and insights anytime and anywhere you go.
Are there specific benefits to choosing the Aster Black titanium model for my daily fitness and wellness tracking needs?
Choosing this sleek Aster Black model provides a stylish, lightweight experience optimized for all-day comfort. Its titanium construction ensures long-lasting durability, making it the perfect companion for tracking your comprehensive body analytics.