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- No Additional Cost: You pay nothing for repairs – parts, labor, and shipping included.
- Coverage: Plan starts on the date of purchase. Drops, spills and cracked screens due to normal use are covered from day one. Malfunctions are covered after the manufacturer's warranty. Real experts are available 24/7 to help with set-up, connectivity issues, troubleshooting and much more.
- Easy Claims Process: File a claim anytime online or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.
- Product Eligibility: Plan must be purchased with a product or within 30 days of the product purchase. Pre-existing conditions are not covered.
- Terms & Details: More information about this protection plan is available within the “Product guides and documents” section. Simply click “User Guide” for more info. Terms & Conditions will be available in Your Orders on Amazon. Asurion will also email your plan confirmation with Terms & Conditions to the address associated with your Amazon account within 24 hours of purchase.
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ULTRAHUMAN Ring AIR - Sleep & Fitness Tracker, FSA-Approved Wearable, Smart Ring for Women & Men, No App Fee for Standard Features (Size 9)
Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Learn more
Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Purchase options and add-ons
Operating System | Ultrahuman App |
Memory Storage Capacity | 0.5 MB |
Special Feature | Sleep Monitor, Multisport Tracker, Activity Tracker, Custom Activity Tracker, Heart Rate Monitor |
Battery Capacity | 24 Milliamp Hours |
Connectivity Technology | Bluetooth |
Wireless Communication Standard | Bluetooth |
Battery Cell Composition | Lithium Polymer |
GPS | No GPS |
Shape | Round |
Brand | ULTRAHUMAN |
About this item
- 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.
- RECOVERY & ACTIVITY INSIGHTS: The 'Movement Index' keeps you moving for optimum glucose metabolism and fitness, increasing non-exercise energy usage throughout the day. Track steps, workouts, and calories for insights into your activity. Ring AIR also helps you recover better with enhanced recovery tracking. 'Dynamic Recovery' blends key metrics like heart rate, HRV, and skin temperature, tracking sleep and lifestyle to provide actionable 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.
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Product Description

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Understand Your Sleep Quality & Quantity
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Understand Your Day-to-Day by Cycle Tracking
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Decode How Your Body Responds to Stress
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Know When to Push or When to Pause
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Track Your Journey of Pregnancy Week-by-Week


What's in the box
Videos
Videos for this product
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What to Know Before You Buy Ultrahuman Ring AirBrittany Wheeler
Videos for this product
17:08
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Ultrahuman Smart Ring, this is a gamechangerOmniTech
Videos for this product
2:14
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Ultrahuman Sizing Kit Ring AIR GuideUltrahuman US
Videos for this product
1:45
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Ultrahuman ring to monitor all the thingsAbercrombie and FITness
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4:50
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Intro to the smart ring and use code AMZNKRISSA10Karissa Hagemeister
From the brand

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UltraFactory
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Ultrahuman's Ecosystem
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Trusted By The Best
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Enhance Your Health Journey
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Women's Health Insights
Product information
Package Dimensions | 8.62 x 6.93 x 3.35 inches |
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Item Weight | 0.104 ounces |
ASIN | B0D983R3N3 |
Item model number | RA-RT-Size14-US |
Batteries | 1 Lithium Polymer batteries required. (included) |
Customer Reviews |
4.1 out of 5 stars |
Best Sellers Rank | #6,988 in Electronics (See Top 100 in Electronics) #28 in Smart Rings |
Date First Available | July 11, 2024 |
Manufacturer | Ultrahuman Healthcare Pvt Ltd |
Country of Origin | India |
Item Weight | 2.95 Grams |
Memory Storage Capacity | 0.5 MB |
Warranty & Support
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ULTRAHUMAN Ring AIR - Sleep & Fitness Tracker, FSA-Approved Wearable, Smart Ring for Women & Men, No App Fee for Standard Features (Size 9)
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find the smart ring effective for sleep tracking and health monitoring, providing accurate sleep stats and comprehensive health insights. The ring is comfortable to wear, built to last, and customers appreciate its sizing options. However, the functionality and battery life receive mixed reviews - while some find it genuinely useful and lasting several days, others report it stops working after three months and the battery life becomes nonexistent. Value for money is also mixed, with some considering it well worth the cost while others find it disappointing considering the price.
AI-generated from the text of customer reviews
Customers appreciate the ring's sleep tracking capabilities, finding it accurate and helpful for monitoring daily activities, with one customer noting its ability to discreetly monitor heart rhythm.
"...It has video and audio to help with breathing, workout, sleep, etc. The ring and app have personally encouraged me to make better health choices...." Read more
"...sleep tracking is incredibly detailed, offering insights into REM, Deep Sleep, Light Sleep, and Wakefulness, alongside actionable recommendations to..." Read more
"...I especially like the sleep tracking functionality The design is very sleek...." Read more
"...The circadian rhythm notifications and gentle reminders like “Let your adenosine clear before your coffee” keep me accountable without needing to..." Read more
Customers appreciate the ring size feature, which helps them find their correct size and works differently than traditional rings, with one customer noting they can wear different sizes overnight.
"...The ring is lightweight and looks well made. The size is right and fits well (I highly suggest that buyers will purchase the ring sizer first)...." Read more
"...Overall, from the perfect fit ensured by the Sizing Kit to the advanced features of the Ring AIR, this has been an incredible addition to my health..." Read more
"...I also liked that fact that they offer a sizing kit to help you find exactly the right size...." Read more
"Sizing kit runs small!!" Read more
Customers appreciate the health information provided by the smart ring, finding it insightful and effective for monitoring health and fitness, with one customer noting it provides comprehensive details about their body's signs.
"...The ring and app have personally encouraged me to make better health choices. Overall, I'm very happy with my purchase." Read more
"...metrics, provides a comprehensive view of my recovery and overall health. The ring’s fitness tracking capabilities are outstanding...." Read more
"...It’s pretty accurate in terms of the metrics it collects about my health. I especially like the sleep tracking functionality..." Read more
"...As for the data—this is where UltraHuman truly shines. The information is far more detailed and actionable compared to other rings...." Read more
Customers find the smart ring well-made and solid in construction, noting that it has held up well over time.
"...The ring is lightweight and looks well made. The size is right and fits well (I highly suggest that buyers will purchase the ring sizer first)...." Read more
"...The Raw Titanium finish is absolutely stunning, and the lightweight design ensures all-day comfort...." Read more
"...I am very impressed by the quality of the product as it seems to be very well made...." Read more
"...It’s highly durable and waterproof! I’ve showered with it on (including washing my hair), washed dishes, and I’m a frequent hand washer...." Read more
Customers find the smart ring comfortable to wear, with one customer noting a smooth fit on the inside of the ring.
"...finish is absolutely stunning, and the lightweight design ensures all-day comfort...." Read more
"...This way it will give you a true feel for the correct size ring...." Read more
"...least be able to use it for sleep tracking since it is more comfortable to wear to bed than a watch...." Read more
"...It's not too bulky and you can comfortably wear it with gloves without issue...." Read more
Customers have mixed experiences with the ring's functionality, with some finding it genuinely useful and pleased with its results, while others report that it stopped working after three months of use.
"...The battery is decent. The app is excellent. It gives very helpful insights and suggestions for health improvements...." Read more
"...Highly recommended for anyone looking for a functional, aesthetically pleasing, and reliable health tracker! 🌟🌟🌟🌟🌟..." Read more
"...it was great at first, then about two months in, the ring was continually dying and taking 3-4 hours to charge...." Read more
"...I quickly realized it’s because the data is so much richer and genuinely useful...." Read more
Customers have mixed experiences with the ring's battery life, with some reporting good performance while others complain about rapid depletion each day.
"...The one major problem with the ring is the battery life. Was advertised to last an entire week...." Read more
"...It tracks sleep and my activities very well. The battery is decent. The app is excellent...." Read more
"...Cons: -Battery life and charge time are completely wrong. Advertised is 6 days and 180min charge time...." Read more
"...The battery life is another major plus—lasting up to 6 days on a single 2-hour charge, making it highly convenient for daily use...." Read more
Customers have mixed opinions about the ring's value for money, with some finding it well worth the cost while others consider it absolutely not worth the money.
"...Ultrahuman doesn't require a monthly subscription for the wearer to get health reviews (while Oura has a monthly fee of $6)...." Read more
"...This alone makes the ring fairly worthless since I can't believe what it tells me about heart rate, or any parameter based on heart rate...." Read more
"...There’s no subscription required, and the cost doesn’t increase if you choose the gold or silver version, unlike some other brands where those..." Read more
"...app still doesn't have the weight loss feature yet, and it's also expensive, but what can you expect with a little computer you wear on your finger." Read more
Reviews with images

Great idea to get your correct size because of the big investment you;re making
Top reviews from the United States
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- Reviewed in the United States on March 27, 2025Color: Space SilverSize: 8Verified PurchaseI have purchased the Ultrahuman Ring Air as an alternative to the Oura Ring 4. Ultrahuman doesn't require a monthly subscription for the wearer to get health reviews (while Oura has a monthly fee of $6). The ring is lightweight and looks well made. The size is right and fits well (I highly suggest that buyers will purchase the ring sizer first). The ring doesn't interfere with my normal routines and hardly noticeable. It tracks sleep and my activities very well. The battery is decent. The app is excellent. It gives very helpful insights and suggestions for health improvements. It has video and audio to help with breathing, workout, sleep, etc. The ring and app have personally encouraged me to make better health choices. Overall, I'm very happy with my purchase.
- Reviewed in the United States on November 21, 2024Color: Sizing KitSize: Sizing KitVerified PurchaseI recently had the opportunity to use both the Ultrahuman Sizing Kit and the Ultrahuman Ring AIR in Raw Titanium (Size 9), and my experience has been nothing short of fantastic!
The Sizing Kit was a game-changer. It provided a variety of sizes, making it easy to find the perfect fit for the smart ring. The included swatches gave a clear preview of the ring’s look and feel, ensuring I was confident about my choice. This thoughtful approach saved me the hassle of potential returns and made the purchasing process smooth and stress-free.
Once I received the Ring AIR, it exceeded my expectations. The Raw Titanium finish is absolutely stunning, and the lightweight design ensures all-day comfort. The sleep tracking is incredibly detailed, offering insights into REM, Deep Sleep, Light Sleep, and Wakefulness, alongside actionable recommendations to enhance sleep quality. The Dynamic Recovery Score, which combines HRV, heart rate, and skin temperature metrics, provides a comprehensive view of my recovery and overall health.
The ring’s fitness tracking capabilities are outstanding. The Workout Mode monitors heart rate during workouts, delivering real-time insights to optimize performance. Additionally, the Movement Index keeps me motivated to stay active throughout the day, even beyond workouts.
The battery life is another major plus—lasting up to 6 days on a single 2-hour charge, making it highly convenient for daily use. Pairing the ring with the Ultrahuman App was seamless, and the app’s multi-language support adds to its accessibility.
Overall, from the perfect fit ensured by the Sizing Kit to the advanced features of the Ring AIR, this has been an incredible addition to my health and fitness journey. Highly recommended for anyone looking for a functional, aesthetically pleasing, and reliable health tracker! 🌟🌟🌟🌟🌟
5.0 out of 5 starsI recently had the opportunity to use both the Ultrahuman Sizing Kit and the Ultrahuman Ring AIR in Raw Titanium (Size 9), and my experience has been nothing short of fantastic!Ultrahuman Ring AIR: Perfect Blend of Precision, Style, and Comfort
Reviewed in the United States on November 21, 2024
The Sizing Kit was a game-changer. It provided a variety of sizes, making it easy to find the perfect fit for the smart ring. The included swatches gave a clear preview of the ring’s look and feel, ensuring I was confident about my choice. This thoughtful approach saved me the hassle of potential returns and made the purchasing process smooth and stress-free.
Once I received the Ring AIR, it exceeded my expectations. The Raw Titanium finish is absolutely stunning, and the lightweight design ensures all-day comfort. The sleep tracking is incredibly detailed, offering insights into REM, Deep Sleep, Light Sleep, and Wakefulness, alongside actionable recommendations to enhance sleep quality. The Dynamic Recovery Score, which combines HRV, heart rate, and skin temperature metrics, provides a comprehensive view of my recovery and overall health.
The ring’s fitness tracking capabilities are outstanding. The Workout Mode monitors heart rate during workouts, delivering real-time insights to optimize performance. Additionally, the Movement Index keeps me motivated to stay active throughout the day, even beyond workouts.
The battery life is another major plus—lasting up to 6 days on a single 2-hour charge, making it highly convenient for daily use. Pairing the ring with the Ultrahuman App was seamless, and the app’s multi-language support adds to its accessibility.
Overall, from the perfect fit ensured by the Sizing Kit to the advanced features of the Ring AIR, this has been an incredible addition to my health and fitness journey. Highly recommended for anyone looking for a functional, aesthetically pleasing, and reliable health tracker! 🌟🌟🌟🌟🌟
Images in this review
- Reviewed in the United States on January 15, 2025Color: Bionic GoldSize: 10Verified PurchaseBeen wearing this for 2 weeks and it’s definitely a great value because it’s a one time purchase without paying for a monthly subscription.I did buy the Ultrahuman X membership which includes a one time weight loss downsizing opportunity when you purchase a 2 year plan.The ring is light and comfortable to wear ,the charger works but the battery life is closer to 3-4 days depending on how much you use exercise mode.My one complaint is it doesn’t always pick up exercise and once it does,it tends to not show the entire time.I wish it linked with Strava or MapMyRun ,it does work with Strava but not as a connected device,with MapMyRun there is no link,It seems very durable as I wear it on an elliptic trainer and it’s not getting totally scratched up.I like the advice I get and in the beginning it didn’t pick up my naps but it does now.I think the app learns the user and sends better notifications over time.I am very impressed and didn’t want to buy a new Apple Watch,the lack of being interrupted by a wearable is a great benefit,if you are interested in a good way to monitor your health,this is a great product that is constantly improving and is geared towards the user.
4.0 out of 5 starsBeen wearing this for 2 weeks and it’s definitely a great value because it’s a one time purchase without paying for a monthly subscription.I did buy the Ultrahuman X membership which includes a one time weight loss downsizing opportunity when you purchase a 2 year plan.The ring is light and comfortable to wear ,the charger works but the battery life is closer to 3-4 days depending on how much you use exercise mode.My one complaint is it doesn’t always pick up exercise and once it does,it tends to not show the entire time.I wish it linked with Strava or MapMyRun ,it does work with Strava but not as a connected device,with MapMyRun there is no link,It seems very durable as I wear it on an elliptic trainer and it’s not getting totally scratched up.I like the advice I get and in the beginning it didn’t pick up my naps but it does now.I think the app learns the user and sends better notifications over time.I am very impressed and didn’t want to buy a new Apple Watch,the lack of being interrupted by a wearable is a great benefit,if you are interested in a good way to monitor your health,this is a great product that is constantly improving and is geared towards the user.Excellent sleep monitoring and good recommendations from app
Reviewed in the United States on January 15, 2025
Images in this review
- Reviewed in the United States on January 17, 2025Color: Raw TitaniumSize: 9Verified PurchaseI spent months debating which smart ring to invest in. It was a decision I didn’t take lightly, and although I kept being drawn toward UltraHuman, I occasionally felt pulled in the direction of a certain competitor (rhymes with POURA). Ultimately, I’m so glad I went with UltraHuman—it truly exceeded my expectations on every level.
Price was never my deciding factor, but I have to say it’s refreshing that UltraHuman offers a more affordable option without compromising on features. There’s no subscription required, and the cost doesn’t increase if you choose the gold or silver version, unlike some other brands where those options come with a hefty markup and no added benefits.
UltraHuman’s commitment to customer service is outstanding, and their weight loss insurance was a game-changer for me. I hesitated for so long, wondering, “What if my finger size changes and I’ve wasted my money?” With UltraHuman, that worry disappears—they’ll exchange your ring for a different size whenever you need it.
Another standout feature is the Find My Ring function. I’ve already lost my ring once (found it in the trash can—don’t ask!), and knowing I could locate it saved me from a lot of stress. It’s small conveniences like this that make the UltraHuman ring superior.
As for the data—this is where UltraHuman truly shines. The information is far more detailed and actionable compared to other rings. I won’t lie, the interface seemed a bit intimidating at first, but I quickly realized it’s because the data is so much richer and genuinely useful. The circadian rhythm notifications and gentle reminders like “Let your adenosine clear before your coffee” keep me accountable without needing to think about it. I love that UltraHuman communicates with me instead of waiting for me to interact with it. The competitor seems to forget about it and it’s like… hello? You’re supposed to be my coach! Get it together.
One thing I absolutely love is how sleek and lightweight the UltraHuman ring is—it’s so comfortable to wear that I sometimes forget I even have it on. The little bump on the inside is a thoughtful touch; it helps me quickly check if it’s on the right way without having to look. This kind of attention to detail is what sets UltraHuman apart.
The smart alarm has also been a game-changer, helping me wake up at the optimal time without feeling groggy. I’m eagerly anticipating the glucose feature, but even without it, the ring’s current features are already leagues ahead of what I’d expected.
I initially planned to test both rings for two weeks, but within three days, I knew UltraHuman was the clear winner. The data accuracy is impeccable—I even compared it to my Apple Watch, and it was spot on. This ring has made health tracking effortless and truly worthwhile, and I can’t stop recommending it to everyone I know.
Lastly, UltraHuman is covered by FSA, and shipping was incredibly fast. For anyone on the fence, take it from someone who spent months researching—and is a data nerd for a living —this is the ring to get. UltraHuman is the clear winner, hands down! Ew
5.0 out of 5 starsI spent months debating which smart ring to invest in. It was a decision I didn’t take lightly, and although I kept being drawn toward UltraHuman, I occasionally felt pulled in the direction of a certain competitor (rhymes with POURA). Ultimately, I’m so glad I went with UltraHuman—it truly exceeded my expectations on every level.UltraHuman: The Clear Winner in Smart Rings.
Reviewed in the United States on January 17, 2025
Price was never my deciding factor, but I have to say it’s refreshing that UltraHuman offers a more affordable option without compromising on features. There’s no subscription required, and the cost doesn’t increase if you choose the gold or silver version, unlike some other brands where those options come with a hefty markup and no added benefits.
UltraHuman’s commitment to customer service is outstanding, and their weight loss insurance was a game-changer for me. I hesitated for so long, wondering, “What if my finger size changes and I’ve wasted my money?” With UltraHuman, that worry disappears—they’ll exchange your ring for a different size whenever you need it.
Another standout feature is the Find My Ring function. I’ve already lost my ring once (found it in the trash can—don’t ask!), and knowing I could locate it saved me from a lot of stress. It’s small conveniences like this that make the UltraHuman ring superior.
As for the data—this is where UltraHuman truly shines. The information is far more detailed and actionable compared to other rings. I won’t lie, the interface seemed a bit intimidating at first, but I quickly realized it’s because the data is so much richer and genuinely useful. The circadian rhythm notifications and gentle reminders like “Let your adenosine clear before your coffee” keep me accountable without needing to think about it. I love that UltraHuman communicates with me instead of waiting for me to interact with it. The competitor seems to forget about it and it’s like… hello? You’re supposed to be my coach! Get it together.
One thing I absolutely love is how sleek and lightweight the UltraHuman ring is—it’s so comfortable to wear that I sometimes forget I even have it on. The little bump on the inside is a thoughtful touch; it helps me quickly check if it’s on the right way without having to look. This kind of attention to detail is what sets UltraHuman apart.
The smart alarm has also been a game-changer, helping me wake up at the optimal time without feeling groggy. I’m eagerly anticipating the glucose feature, but even without it, the ring’s current features are already leagues ahead of what I’d expected.
I initially planned to test both rings for two weeks, but within three days, I knew UltraHuman was the clear winner. The data accuracy is impeccable—I even compared it to my Apple Watch, and it was spot on. This ring has made health tracking effortless and truly worthwhile, and I can’t stop recommending it to everyone I know.
Lastly, UltraHuman is covered by FSA, and shipping was incredibly fast. For anyone on the fence, take it from someone who spent months researching—and is a data nerd for a living —this is the ring to get. UltraHuman is the clear winner, hands down! Ew
Images in this review
Top reviews from other countries
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VincentReviewed in Belgium on July 3, 2024
5.0 out of 5 stars Goed maar achteraf nutteloos
Goed maar na passen nutteloos
- S. HaleReviewed in Canada on March 10, 2024
4.0 out of 5 stars Good sizing kit for the Ultrahuman Ring
Accurate sizing kit, but a little sharp around the edges. Uncomfortable when testing overnight.
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bojarekReviewed in Poland on April 13, 2024
5.0 out of 5 stars Pierścienie do miary
Niewielki wydatek a okazały się bardzo pomocne. Dzięki nim dowiedziałem się jaki rozmiar docelowego produktu zakupić.
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Brühlmann MarcelReviewed in Germany on December 1, 2024
5.0 out of 5 stars Ein Muss, wenn man einen ULTRAHUMAN Ring Air-Smart ring kauft
Color: Sizing KitSize: Sizing KitVerified PurchaseEin Muss, wenn man einen ULTRAHUMAN Ring Air-Smart ring kauft
- dhananjaybijuramanReviewed in the United Arab Emirates on March 11, 2025
5.0 out of 5 stars Durability,Material
Amazing Value for Money!
I recently purchased the Ultrahuman Ring AIR sizing kit, and I must say, it exceeded my expectations. The kit is well-crafted and durable, made from high-quality polycarbonate. The material feels sturdy and doesn’t come across as “cheap plastic” at all.
The kit offers a practical and straightforward way to determine the perfect size for the actual Ultrahuman Ring AIR. It's lightweight, water-resistant, and looks sleek with its subtle finish. I’ve even dropped it a couple of times, and it handled the falls without any noticeable damage. For anyone considering the Ultrahuman Ring, this sizing kit is a must-have.
Highly recommend it for its functionality and design!