ULTRAHUMAN Ring AIR-Smart Ring Health Tracker, Size First Sizing Kit,Sleep Tracker,Smart Ring for Men/Women,Fitness Tracker (Made in The USA, Raw Titanium, 9)
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This item is eligible for return within 30 days of receipt
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Size: 9
Style: Made in the USA
Color: Raw Titanium
Features
- 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.
- WOMENS 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.
- MINIMAL FORM FACTOR & DURABILITY: The Ultrahuman Ring is crafted from space-grade titanium, offering unmatched strength and lightweight comfort. Its 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.
Operating System: Ultrahuman App
Memory Storage Capacity: 0.5 MB
Special Feature: Activity Tracker
Battery Capacity: 24 Milliamp Hours
Connectivity Technology: Bluetooth
Wireless Communication Standard: Bluetooth
Battery Cell Composition: Lithium Polymer
GPS: No GPS
Shape: Round
Brand: ULTRAHUMAN
Package Dimensions: 11.1 x 8.46 x 3.23 inches
Item Weight: 0.131 ounces
Item model number: 36ea72c0-298c-4bee-b605-412e27a45a55
Batteries: 1 Lithium Polymer batteries required. (included)
Date First Available: May 15, 2025
Manufacturer: Ultrahuman Healthcare Pvt Ltd
Item Weight: 3.7 Grams
Memory Storage Capacity: 0.5 MB
Frequently asked questions
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
I’ve had mine for just over a week and am OBSESSED. I really love all the insight and details included regarding heart health, sleep cycles, and exercise. I appreciate the reminders to move, stretch, and get outside. It’s very easy to set up and navigate the app; it also has a very fast charging speed. I had mine charge for less than an hour and it lasted for nearly a week. I purchased the silver one after trying the ring sized and it fits perfectly. It’s also incredibly lightweight, comfortable, sleek, and doesn’t get in the way while lifting. I’m so excited to keep learning about and improving my overall health. All the stats and reminders will hold me accountable and inspire me to continue to do better.
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Reviewed in the United States on July 22, 2025 by Amazon Customer
Size: 10
Style: Made in India
Color: Bionic Gold
Love my ring! - it matches the same gold tone as other rings, does not scratch easily - I charge my ring every other time I shower, so for a half hour every other day, and with this the battery lasts forever! They must have fixed this bug. - accurate health descriptions. I love how it gives me ‘rings’ like an Apple Watch to track my movement, heart rate, temperature, sleep quality, and makes it easy to understand my numbers and now I can improve them. - fun to see the social get lag, caffeine measurements, and other things I wouldn’t normally track. - no monthly fees! -con: on the app interface only 1 tab is for the ring itself, the other two tabs besides your profile are promoting their metabolic tracker and home purifier. I really wished that the entire app was just for the ring, now a huge advertisement for other products.
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Reviewed in the United States on July 22, 2025 by Ty Burton Ty Burton
The fit is great and matches the testing kit well. After one week of use and high battery usage, the battery life is 4 days. 6 days if I reduce the performance tracking. The sleep tracking has been useful so far and great for giving gentle nudges in the right direction. Browsing the app and adding caffeine, food, activities and browsing health data has also been really fun. My issues are slight. I do question the accuracy of heart rate tracking and questionable VO2 max calculation, but it is still useful as a general indicator of health. The best part of the ring is the HSA fund use.
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Reviewed in the United States on August 12, 2025 by PLUTOFUL
Size: 12
Style: Made in India
Color: Raw Titanium
The experience so far Rating: ★★★☆☆ (3/5) Verdict: Ambitious and data-rich, but still feels like a beta product. The Ultrahuman Ring AIR is a sleek, health-focused wearable that offers impressive insights and a visually premium app experience. But while it sounds like the perfect fitness and recovery tracker on paper, real-world performance exposes its inconsistencies, quirks, and growing pains. ⸻ ✅ What It Does Well • Extremely detailed health data: It tracks heart rate, HRV, sleep, recovery, and more—and explains each metric clearly. It’s not just data-heavy, it’s educational too. • No subscription required (unless you want extras): Unlike Oura or others, you get full access to your health data right out of the box. Ultrahuman’s optional “Power Plugs” (a.k.a. add-ons) cost $2–$4/month depending on the feature and offer deeper insights without being essential. • FSA/HSA eligible: If you’ve got leftover HSA/FSA funds, this is a good end-of-year purchase. You can even use those funds on monthly Power Plug subscriptions. • Well-designed app: The interface feels high-end and becomes intuitive after a few days. Charts, graphs, and summaries look great and are easy to follow. • Quick charging & useful warranty support: I typically charge it while showering in the morning. When my partner’s ring began dying within 2–3 hours, Ultrahuman replaced it quickly—though it’s unclear if that was thanks to the protection plan or internal diagnostics they ran that determined the replacement was needed. • UltrahumanX protection plan is fair: It covers lost rings, battery failure, and even resizing if you lose weight. Worth it only if you get the ring on sale (we paid $230 each with stacked discounts—very fair compared to MSRP). ⸻ ⚠️ Where It Falls Short • Accuracy concerns: I’ve seen heart rate spikes to 172 bpm while sitting, even though my Apple Watch showed a steady 67. Step count is wildly inflated during non-walking workouts like rowing—Apple logged 50 steps, while the ring claimed over 1,000. • Unreliable sleep tracking: Waking up briefly can reset your sleep record, and some nights it reports only 2 hours of sleep when I clearly got 7+. This skews recovery scores into the red zone, making the insights less useful. • Battery life isn’t as promised: Ultrahuman advertises 4-6 days—but I consistently get 2–3 and half days unless I enable “Critical Power” mode. Even the in-app battery test is misleading—it assumes the length because of trickle charging it daily, which defeats the purpose of true 6-day battery life off one charge. • Power modes are poorly optimized: “Turbo,” “Chill,” and “Critical Power” sound great—but switching between them takes over a minute. Chill mode only disables one feature and barely extends battery life, while Critical Power mode helps significantly but cuts off most functions. • Slow syncing: Syncing data often takes 5+ minutes, even when the ring is connected via Bluetooth. Sometimes it’s immediate, other times painfully slow. The app’s troubleshooting suggestions (“restart phone,” “turn off Bluetooth”) feel like filler rather than real diagnostics. • Too many notifications: Even on the lowest setting, I get 3–6 alerts every 45 minutes—way more than my smart watches, which average 1-3 every few hours. (These are health notifications, like the “stand up your sitting too long” or “check how close you are at closing your health rings”) • Material feels questionable: Marketed as titanium, but the ring is very lightweight and makes a plastic-like sound when dropped—not what I’d expect from metal. Especially when you compare it with an actual ring, I was expecting a little more heft to it. • Platform inconsistencies: Some features behave differently depending on the OS. For example, Android shows the last known location with an address for “Find My Ring,” while iOS does not. ⸻ 🤔 Other Notes & Suggestions • Feels like an early beta: Ultrahuman sent an email thanking me for being an early adopter—which confirms what the experience already suggests: this is a version 1.0 product still working out kinks. • Basic diagnostics: Battery and syncing diagnostics in the app feel underdeveloped. They don’t offer deep troubleshooting—just basic “restart” suggestions. • App needs customization: I only have the ring, so it’s annoying to see tabs for other Ultrahuman products I don’t own. I’d love the ability to customize the dock to just show “Ring,” “Profile,” and “Zones.” • Power Plug layout is clunky: Some insights with limited value (like “You’re a consistent sleeper”) take up large card space, while more important metrics are squeezed into small strips. Being able to resize or pin these like widgets would drastically improve usability. ⸻ 💬 Final Thoughts The Ultrahuman Ring AIR shows promise—it’s attractive, feature-rich, and offers meaningful health data for people who want to understand their body better. But right now, it feels like a work-in-progress. Syncing delays, battery inconsistency, and unreliable tracking make it hard to fully trust. If you catch it on sale (and maybe use an HSA/FSA account), it’s a worthwhile experiment—especially if you value form factor over full smartwatch capabilities. But if you’re looking for something polished, dependable, and accurate out of the box, you might want to wait for a new ring air version 2.0 or a few more software updates.
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Reviewed in the United States on July 15, 2025 by Kib
I’m in love with my Ultrahuman ring The app gives insight on my sleep pattern. It tracks my temperature while I sleep and how this disrupts my sleep. The app was easy to setup. The color is nice. The material is well made. I ordered ring covers to protect it from scratches or wear and tear due to my busy life. I ordered the sizing kit and it was very helpful. I can wear it on my index or middle finger. My fingers do swell at night, so I can wear it on either finger. All in all, great ring, app has a lot of informative information about your health. And you can purchase helpful add ons for a low cost. There’s free add ons too.
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Reviewed in the United States on July 22, 2025 by Naomi A