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We all know the drill by now. Smartwatches and fitness bands are common nowadays. They track our steps, monitor our heart rate, and some even tell us when it’s time to breathe. But what if there was a more discreet, more comfortable way to track your health?

Today, what we have here is the Ultrahuman Ring AIR and I have been wearing it every single day for the past three weeks. This is not your average smartwatch – it is a sleek, minimalist ring that promises to track your health and fitness like never before. So, let’s answer some of those burning questions on by one.

Video Review

Who is Ultrahuman?

Ultrahuman was started in 2020 by a group of tech-savvy athletes who wanted a better way to monitor performance. Inspired by cutting-edge training methods, they created the Ultrahuman Ring AIR.

This innovative ring uses your body’s data to help you optimize energy levels, track workouts, and improve sleep and recovery, with the ultimate goal of making fitness more personal and impactful.

How is the ordering process?

Review - Ultrahuman Ring AIR 1

Since this is a fixed-size ring, you will not be able to change the size once you decided on the sizing. So it is crucial to get the fitting right.

Review - Ultrahuman Ring AIR 2

There are two three ways to measure your ring size, first by using the Ultrahuman ring sizer app. The app uses image recognition technology and suggests the ring size based on size reference to a standard credit card.

Review - Ultrahuman Ring AIR 3

Alternatively, if you have already decided on the purchase, you can opt for a ring sizing kit that includes 10 plastic ring mockups.

Review - Ultrahuman Ring AIR 4

The general recommendation is that by wearing the mockup for at least 24 hours to find out which finger and the perfect size for it. Once you have decided on the size, Ultrahuman will finally deliver the Ring Air to your doorstep.

I have selected size 7 for my ring finger and the actual ring fits just nicely. However, I do need to point out there will be about 0.02mm of difference between the sizing kit and the actual ring. In my case, the sizing kit felt a little bit loose while the actual ring turns out to be perfect.

Review - Ultrahuman Ring AIR 5

My video editor also found out the third sizing option which you can 3D print the ring mockups with the provided file.

First Impressions

Review - Ultrahuman Ring AIR 6

The ring comes in a sleek, minimalist package. You will also get a fitting wireless charger and a USB-C cable.

Review - Ultrahuman Ring AIR 7

The ring itself is lightweight and comfortable to wear, just that it might need some time to get used to it. Even for someone like me who were used to wear rings. I had to spend like a week to finally decide on wearing it on my right ring finger instead of the initial plan of wearing on the left ring finger.

Review - Ultrahuman Ring AIR 8

Taking a closer look at the ring reveals how much precise engineering has gone into the making of this product. The outer ring is made of titanium with tungsten carbide coating for additional scratch resistance. It is then seamlessly crafted by housing all the sensors, battery and electronics components in the transparent polished epoxy. There is just a small flat bump at a section of the ring for the optical sensor. The advantage is a beautiful piece of wearable technology that doubles as a jewelry. The downside? It is impossible to be repaired should the battery degrades after years of usage. The pros and cons of miniaturization of technology.

At just 2.8 grams of average weight across different sizes, the Ultrahuman Ring AIR is significantly lighter than most watches and smart rings out there. The ring also comes in five different colors, and I opted for the raw titanium.

What are the Features

That is pretty much all I could say for the ring’s first impression in terms of the hardware, because realistically speaking it is just a ring without any bells and whistles, no screen, no vibration motor, just a ring equipped with sensors for health tracking.

And that brings us to the main highlight of the Ultrahuman Ring AIR experience – the app. Once you paired the ring and setup your personal profile, what you need to do is just wear the ring and it will do its job by tracking and the app shall tabulate all the relevant details in a easy to understand format.

Review - Ultrahuman Ring AIR 9
Past data dashboard

I must say they Ultrahuman has done an excellent job at the data presentation. They have broken down the information into multiple segments, starting with the movement score.

Review - Ultrahuman Ring AIR 10

Movement score has been broken down into multiple sub-topics.

Review - Ultrahuman Ring AIR 11

Stress Rhythm Score is something unique whereby it measures our stress level and align it with our daily cycle.

Review - Ultrahuman Ring AIR 12

The best part of the sleep tracking is the app’s presentation on the various aspects that could contribute to a healthy sleep cycle.

Review - Ultrahuman Ring AIR 13

Apart from the sleep tracking, the Dynamic Recovery Score collects your daily activity and resting cycle to rate your overall rate of recovery.

Review - Ultrahuman Ring AIR 14

The circadian insights help identify the best phase (time of day) for exercise, food, and light exposure. The benefits of circadian alignment go beyond sleep health and cover aspects of hormone regulation, mood and energy levels during the day.

Overall, I am very impressed with the design and the presentation of the app. You can tell they are not just shoving the numbers at your face and call it a day. They have detailed breakdown on each different aspects and includes recommendations on how you can improve upon it. That alone should motivate you to do better.

How’s the battery life

As for the battery life, Ultrahuman has claimed 4~6 days of battery life, depending on your activity level. I can attest to that as I’m getting around 5 days of battery life during my trip to Taiwan. The only activity I had during the two-week trip was averaging 10k steps per day.


Overall, I’ve been really happy with the Ultrahuman Ring AIR. It’s a great option for people who are looking for a comfortable and discreet way to track their health and fitness. Of course, the price tag is a bit on the steeper side at $349 or RM1799. However, do keep in mind that they are not charging any subscription fees for any of the app features. Personally, I think that is a great decision.

I must admit, I was skeptical at first, but after 3 weeks of use, I can tell the folks working in Ultrahuman are super dedicated at their work. That’s why I’m a believer now. If you’re a data enthusiast and don’t mind the price tag, this is a great choice for you.

Where to buy? (Affiliate links)

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