ULTRAHUMAN Ring AIR-Smart Ring Health Tracker, Size First Sizing Kit,Sleep Tracker,Smart Ring for Men/Women,Fitness Tracker (Made in India, Bionic Gold, 6)
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FREE 30-day refund/replacement
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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Availability:
Only 3 left in stock, order soon!
Arrives
Sunday, Sep 21
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Size: 6
Style: Made in India
Color: Bionic Gold
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: 8.5 x 6.69 x 3.23 inches
Item Weight: 0.131 ounces
Item model number: RA-RT-Size14-US
Batteries: 1 Lithium Polymer batteries required. (included)
Date First Available: July 11, 2024
Manufacturer: Ultrahuman Healthcare Pvt Ltd
Item Weight: 3.7 Grams
Memory Storage Capacity: 0.5 MB
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Sep 21
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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- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
I've had my ring for about 2 months now and I really am loving it. I got the size 6 ring and it fits well on my index, middle, and ring fingers depending on if my hand swells throughout the day. I got it in silver but I do wish there were different shades of gold as well. It seems durable as I've been doing Pilates and running with it daily. There are minimal scratches but that doesn't bother me very much. In terms of the app: I really like how accurate the sleep tracking and temperature are. I bought the Cycle Tracking Pro recently so I'm excited to see how that will help in the long run. I'm very very glad there's no subscription to use most of the app except for pro features. The normal power plugs work amazingly without it. It doesn't track fitness very well so I still use my Apple Watch to track that. The battery life is good so far as I'm using it on Chill Mode. So far I've been able to go about 3 days comfortably without charging it. Overall I'm very happy with this product and would recommend it.
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Reviewed in the United States on September 8, 2025 by evelyn
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
Size: 9
Style: Made in India
Color: Bionic Gold
I’ve had this ring for 4 months now. I bought it to replace my apple watch. I would charge my apple watch every night and not get any of the sleep insights, so I thought this would be nice for that. Battery: if you workout regularly you’ll need to charge this almost daily. I charge it anytime I take a shower, and if I’m going to be sitting down for an extended period of time. It recommends to charge in short spurts instead of leaving it on the charger for hours. It charges relatively fast in my opinion. Workouts: the app has so many workout options, much more than apple’s fitness app. i wish i could love the workout mode BUT my heart rate is almost always wrong. The app will read 100-110 while my machine is estimating 160-170. I know my body and know that my heart rate on the stairclimber is much higher than 105. Also my workouts will randomly stop recording with no record of it running to begin with and I lose all that data. Yesterday 2/4 of my workouts didn’t record when I could see it recording the time at the top of my screen. I would open the app to end the workout and the app would be out of the workout mode and display my home screen. My workouts were roughly 30-40 minutes each. Much less than their 2 hour cut off that the support mentioned. My ring also is disconnected from the app almost every time I pull up the app during a workout, which means it’s not registering anything. I reached out to support on the app but they were unhelpful. They only said “the ring is connected now” (which I knew at the time. I was trying to raise concern during workouts). And then dismissed all my other grievances without any help. Sleep/Recovery: This ring tracks sleep really well from what I can tell. Sometimes I have to alter the start of my sleep because I’ll be on my phone and it thinks I already fell asleep. There will be times I’m sick and have a fever through the night and the app detects my body temperature change and tells me to take it easy the next day. Cycle Tracking: I do not have a regular cycle to track. I believe it needs 15 days to be able to accurately detect a cycle. My birth control makes my cycle nonexistent or sporadic. I WOULD NOT recommend this ring for any type of workout logging. I am switching back to my apple watch for workouts. I WOULD recommend this ring for sleep track, recovery tracking, etc. I recommend using the ring sizer to get an accurate fit before purchasing. I purchased the gold color and would advising not wearing it for any activity using your hands. The gold scratches very easily and will start to rub off the ring.
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Reviewed in the United States on June 8, 2025 by loved this item!
Size: 7
Style: Made in India
Color: Bionic Gold
Purchased to replace my Apple Watch because the watch (regardless of band type) was irritating my skin. Happy to report no irritability issues with the Ultrahuman ring materials. The first couple of weeks I needed to charge my ring daily, but according to Reddit and other Amazon reviews this is typical as the ring “gets to know you.” Other than the quick draining battery, first impressions I was quite happy with the sleep, steps, workout tracking, etc. After the calibration period the battery got better (approx. 48 hours between charges), and then a few weeks later extended to 3-4 days with a firmware update and switching to “chill mode” which tracks some of the data sets less continuously, but covers off the basics. Unfortunately, after about 10 weeks my ring stopped holding charge for longer than 8-10 hours, started missing windows of data and then stopped connecting altogether. Fortunately, customer support was great to work with and a new ring is on the way! When it worked, I was super happy with it, so hoping I just had a lemon and the replacement will be more durable. 🤞
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Reviewed in the United States on June 20, 2025 by KaitlynJ
Size: 7
Style: Made in India
Color: Matte Grey
Great device, very practical and small, do not irritate as the bracelet. Tracks everything as described and even more, very easy to navigate and good for leaving comments about the health questions or habits, to see progress and make some improvements. Mate grey is very stylish color, and the weight does not have a difference between the usual ring. Speed of charging is fast, full for around 40-50 mins, lasts around 4 days.
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Reviewed in the United States on August 6, 2025 by Melisa Galiba Melisa Galiba
Size: 7
Style: Made in India
Color: Space Silver
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