

ULTRAHUMAN Ring AIR



Product overview:
Buy the Sizing Kit First
Ultrahuman Ring sizes differ from standard rings
Purchase the Sizing Kit (includes ring sizer) to determine your exact fit
Available in 10 sizes (5–14) for a secure, comfortable fit
Helps avoid returns and exchanges by ensuring the right size before purchase
Comprehensive Health Tracking
Monitors sleep, activity, stress, heart health, movement, workouts, and recovery
Provides detailed insights to optimize performance and well-being
Women’s Health Insights
Track ovulation, cycles, and pregnancy with precision
Predict a 7-day fertile window and pinpoint ovulation
Cycle phase tracking: Menstruation, Ovulation, Follicular, Luteal
Pregnancy Mode provides trimester-specific guidance
One App, No Subscription
Access all standard features without extra fees
Includes sleep, activity, stress, heart rate, HRV, skin temperature, and recovery
Managed through the Ultrahuman App
Advanced Sleep Tracking
Tracks all sleep stages: REM, Deep, Light, and Wakefulness
Measures sleep debt and provides personalized tips to improve rest
Helps optimize recovery and daily readiness
Recovery & Activity Insights
Monitors steps, workouts, and calories
Dynamic Recovery combines heart rate, HRV, skin temperature, and lifestyle factors for actionable insights
Minimal Form Factor & Durability
Crafted from space-grade titanium — strong yet lightweight
Smooth, hypoallergenic inner shell for comfort
Water-resistant up to 100m, perfect for daily wear, workouts, and swimming
Up to 6 days of battery life with wireless charging
Stress Tracking & Rhythm Score
Unique Stress Rhythm Score measures HR, HRV, and resting HR
Contextualized with circadian rhythm for deeper stress insights
PowerPlugs: Personalized Health Tools
Cardio Adaptability: See how your heart responds to stress, rest, and activity
Screentime Tracking: Understand the impact of screen use on health
Caffeine Window: Optimize alertness and wakefulness
More tools tailored to your health journey