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, 7)
Original price was: $349.00.$299.00Current price is: $299.00.






Price: $349.00 - $299.00
(as of Aug 17, 2025 14:29:19 UTC – Details)
Product Description

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Ultrahuman Ring AIR Merchant Video
Understand Your Sleep Quality & Quantity
Understand Your Day-to-Day by Cycle Tracking
Decode How Your Body Responds to Stress
Know When to Push or When to Pause
Track Your Journey of Pregnancy Week-by-Week
1 Sleep Index
2 Cycle & Ovulation
3 Stress Rhythm Score
4 Recovery Score
5 Pregnancy Insights

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.
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.
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.
Customers say
Customers find the smart ring provides helpful health insights and accurate data tracking, particularly appreciating its sleep and heart rate monitoring features. Moreover, the ring fits perfectly and customers like its minimalist design, with one noting its polished gold appearance. However, the battery life receives mixed feedback, with some reporting great battery life while others experience significant drain, and opinions on value are divided between those who find it well worth the cost and those who consider it expensive.
11 reviews for 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, 7)
Add a review
Original price was: $349.00.$299.00Current price is: $299.00.

Amazon Customer –
LOVE IT!
Iâve 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. Itâs 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. Itâs also incredibly lightweight, comfortable, sleek, and doesnât get in the way while lifting. Iâm 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.
Ty Burton –
Accurate, flexible, reliable
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 âringsâ 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 wouldnât 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.
PLUTOFUL –
Good data, style, and fun to use
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.
Kib –
An experience so far
The experience so farRating: â â â ââ (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.⸻â What It Does Well⢠Extremely detailed health data: It tracks heart rate, HRV, sleep, recovery, and moreâand explains each metric clearly. Itâs not just data-heavy, itâs 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. Ultrahumanâs optional âPower Plugsâ (a.k.a. add-ons) cost $2â$4/month depending on the feature and offer deeper insights without being essential.⢠FSA/HSA eligible: If youâve 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 partnerâs ring began dying within 2â3 hours, Ultrahuman replaced it quicklyâthough itâs 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 discountsâvery fair compared to MSRP).⸻â ï¸ Where It Falls Short⢠Accuracy concerns: Iâve 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 rowingâApple 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 isnât as promised: Ultrahuman advertises 4-6 daysâbut I consistently get 2â3 and half days unless I enable âCritical Powerâ mode. Even the in-app battery test is misleadingâit 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: âTurbo,â âChill,â and âCritical Powerâ sound greatâbut 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 itâs immediate, other times painfully slow. The appâs troubleshooting suggestions (ârestart phone,â âturn off Bluetoothâ) feel like filler rather than real diagnostics.⢠Too many notifications: Even on the lowest setting, I get 3â6 alerts every 45 minutesâway more than my smart watches, which average 1-3 every few hours. (These are health notifications, like the âstand up your sitting too longâ or âcheck how close you are at closing your health ringsâ)⢠Material feels questionable: Marketed as titanium, but the ring is very lightweight and makes a plastic-like sound when droppedânot what Iâd 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 âFind My Ring,â while iOS does not.⸻ð¤ Other Notes & Suggestions⢠Feels like an early beta: Ultrahuman sent an email thanking me for being an early adopterâwhich 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 donât offer deep troubleshootingâjust basic ârestartâ suggestions.⢠App needs customization: I only have the ring, so itâs annoying to see tabs for other Ultrahuman products I donât own. Iâd love the ability to customize the dock to just show âRing,â âProfile,â and âZones.â⢠Power Plug layout is clunky: Some insights with limited value (like âYouâre a consistent sleeperâ) 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.⸻ð¬ Final ThoughtsThe Ultrahuman Ring AIR shows promiseâitâs 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), itâs a worthwhile experimentâespecially if you value form factor over full smartwatch capabilities. But if youâre 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.
Naomi A –
Love my ring
Iâm 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. Thereâs free add ons too.
drager204 –
Amazing Fitness tracker
I’ve had the ring for a full month now and I’ve been impressed with just how feature rich and simple the experience has been. Syncing with the app is surprisingly fast and gives immediate feedback. The heart rate tracker and sleep tracking is very similar and as accurate as with a Fitbit.The ring is very slim and fits perfectly for me. The Aster black is sleek and goes will will my watch. I have not had any issues with scratching or it falling off. I had got the sizing kit for both the Aura 3 and Ultrahuman and none of the aura sizes fit perfectly, I’m glad i went with the ultrahuman ring.
Vincent –
Goed maar na passen nutteloos
Alain M / Rosanna G –
If you’re shopping for a smart Ring buy this kit because I had to take one size bigger than usual.
bojarek –
Niewielki wydatek a okazaÅy siÄ bardzo pomocne. DziÄki nim dowiedziaÅem siÄ jaki rozmiar docelowego produktu zakupiÄ.
Alejandro Ordóñez –
No sé ni por dónde empezar con este desastre.Llevo meses con este anillo y es, sin exagerar, una de las peores compras que he hecho en mi vida. Me dejé llevar por el marketing y las reseñas positivas, pero la realidad es completamente diferente.Lo que está MAL (que es todo):La baterÃa es una broma cruel. Supuestamente dura “hasta 6 dÃas” pero en mi experiencia real dura máximo 2 dÃas, y a veces ni eso. He tenido dÃas donde se murió después de solo 8 horas de uso. Esto significa que constantemente tienes que estar pendiente de cargarlo, cosa que se vuelve súper molesta.El tracking de sueño es completamente inexacto. Me marca que estoy “durmiendo” cuando estoy acostado leyendo en mi celular. Literalmente puedo estar viendo Netflix y el anillo dice que llevo 2 horas dormido. ¿De qué sirve un anillo de sueño que no sabe cuándo estás durmiendo?Se raya con solo respirarle. A las 2 semanas ya tenÃa rayones horribles que lo hacen ver súper feo. Y eso que soy cuidadoso – no hago gym con él ni nada brusco. Se ve como si tuviera años de uso maltratado.Más problemas:El tracking de ejercicio es pésimo. No detecta bien mis entrenamientos y cuando lo hace, los datos están completamente off comparado con mi Apple Watch.Para el precio que cuesta, esperaba algo premium, pero se siente como un producto de primera generación lleno de bugs.¿Lo recomiendo?PARA NADA. Mejor cómprate un Apple Watch o quédate con tu Fitbit. Al menos esos funcionan como deben.Veredicto: La compra tech de la que más me he arrepentido. EvÃtalo a toda costa.
Flávia Guth –
Simplesmente nunca ligou