- SLEEP DECODED EVERY NIGHT & DYNAMIC RECOVERY: Detailed insights into REM, Deep Sleep, Light Sleep, and Wakefulness plus sleep debt tracking. Dynamic Recovery Score blends heart rate, HRV, and skin temperature to tell you when to push hard or take it easy. Actionable nudges to improve sleep quality every night. The sleep tracker ring that works while you sleep — wellness insights all personalised to you.
- SIZE FIRST — NO SUBSCRIPTION: ALL features included FREE — sleep, activity, stress, HRV, recovery, and more. No hidden fees, ever. Up to 6 days battery life on a single charge — outlasts most smart rings. Available in 15+ languages. Grab the Sizing Kit first — sizes differ from standard. 10 sizes (5–14). IN THE BOX: Ring AIR, Wireless Charger, USB-C Cable. Available in 6 colours.
- COMPREHENSIVE HEALTH & FITNESS TRACKING: Track heart rate, HRV, skin temperature, stress, blood oxygen (SpO2), steps, and calories — all from your finger. 20+ workout modes with a dedicated cardiovascular insights mode. Your all-in-one health tracker, fitness tracker, step counter, pedometer, activity tracker, and sleep ring. Works as a heart rate monitor round the clock. Lighter than a coin — the smart ring that replaces your fitness watch.
- WORLD'S LIGHTEST SMART RING (2.4g): The Ring AIR weighs just 2.4g at only 2.4mm thin — the lightest smart ring for men and women. Forged from space-grade titanium with a hypoallergenic smooth inner lining. Water-resistant to 100m (IP68) — swim, shower, and train without a worry. Your wearable technology health ring and fitness ring in one. Compatible via the Ultrahuman App. No subscription — every feature included free
- WOMEN'S HEALTH, PREGNANCY MODE: Track ovulation, menstrual cycles, and pregnancy with multi-biomarker precision. Predict a 7-day fertile window and pinpoint ovulation. Unique Pregnancy Mode delivers trimester-specific insights for expecting mums — a feature no other smart ring for women offers. PowerPlugs include Circadian Alignment, Caffeine Window (best time for your coffee), and Screentime Impact. Compatible with iOS and Android.
