Ring AIR Sleep and Fitness Smart Ring

Meet the Ultrahuman Ring AIR—an ultra‑light titanium smart ring that tracks your sleep, recovery and health with no subscriptions or hidden fees. Designed for all‑day comfort, it delivers clinically validated insights, advanced sleep tracking and women’s health support in a discreet, jewellery‑like form.

• Dimensions (package); 7.5"L x 4.5"W x 1"H
• Weight (package): 1.2 lbs

Your All-in-One Smart Ring with Over 100 Health Metrics and No App Fee: 
• Monitor heart rate, HRV, blood oxygen (SpO2), skin temperature, stress, and recovery from a single 2.4g titanium ring
• The lightest smart ring available
• Every core feature is free in the Ultrahuman app
• No hidden fees
• Compatible with iOS and Android

Advanced Sleep and Recovery Tracker:
• Detailed insights into every sleep stage: REM, deep, light, wakefulness
• Track accumulated sleep debt and skin temperature trends
• Smart Alarm wakes you at your lightest phase
• Daily recovery score with actionable nudges
• Clinically validated sensors

Smart Ring for Women: Cycle, Fertility and Pregnancy:
• Track ovulation, menstrual cycles, and pregnancy with biomarker precision, not calendar estimates
• Predict a seven-day fertile window across all four phases
• Free cycle and ovulation tracking; pregnancy Insights included
• Discreet ring design that looks like jewellery

PowerPlugs: the World's First Smart Ring Ecosystem:
• Free tools: Vitamin D Tracking (essential for Canadian winters), Caffeine Window, Circadian Alignment, Shift Work support, New Parent mode, Screentime management
• Premium add-on: AFib Detection with nightly medical-grade heart rhythm reports

Space-Grade Titanium, Six-Day Battery, Waterproof 100M:
• Hypoallergenic, scratch-resistant titanium with wireless charging case included
• Wear it swimming, skiing or in the rain

Ordering Your Ultrahuman Ring
The sizing kit is the first step in ordering the Ultrahuman Ring AIR, which is available in 10 sizes, from 5 to 14. Ultrahuman ring sizes are different from standard ring sizes, so you'll need to use this kit first to ensure you're getting right size before the ring is shipped to you.

1. Place your ring order in your preferred colour with the size kit
2. You'll receive the sizing kit from Ultrahuman in about two to four days 
3. Follow the instructions included with the sizing kit to figure out your ring size
4. Once you've determined your size, let Ultrahuman know by confirming your order (you'll find out how in the instructions included)
5. After you've confirmed your order, the ring will be dispatched from Ultrahuman; delivery takes about two to four days

Includes:
• Ultrahuman Ring AIR Sleep and Fitness Smart Ring

Warranty Information:
This product comes with a 30-day return policy through TSC.