Actionable health tracking smart ring. A comfortable and sleek smart ring that tracks your sleep, movement and recovery trends, nudging you to make healthier choices every day. The Ring lasts up to 6 days on a complete charge.*
Q: What are the dimensions of the ring?
A: The ring has a depth, width, and height of 0.75 inches.
Q: What is the ring's water resistance depth?
A: The maximum depth of water resistance for the ring is 328 feet.
Q: What operating systems are compatible with the ring?
A: The Ultrahuman Ring AIR is compatible with the Android operating system.
Q: What kind of health data does the ring track?
A: The ring tracks your sleep, movement and recovery trends.
Q: What is the battery capacity of the ring?
A: The battery capacity of the ring is 24 milliampere hours.
Q: What kind of health data does the ring track?
A: This smart ring tracks your sleep, movement and recovery trends.
Q: Is the ring compatible with Android devices?
A: This ring is compatible with Android devices.
Q: What type of charging interface does the ring use?
A: The charging interface used by the ring is USB-C.

Actionable health tracking smart ring. A comfortable and sleek smart ring that tracks your sleep, movement and recovery trends, nudging you to make healthier choices every day. The Ring lasts up to 6 days on a complete charge.*

Actionable health tracking smart ring. A comfortable and sleek smart ring that tracks your sleep, movement and recovery trends, nudging you to make healthier choices every day. The Ring lasts up to 6 days on a complete charge.*

Actionable health tracking smart ring. A comfortable and sleek smart ring that tracks your sleep, movement and recovery trends, nudging you to make healthier choices every day. The Ring lasts up to 6 days on a complete charge.*

Oura Ring 4 brings you closer to what matters most — your health. With an updated all-titanium design, this smart ring features Smart Sensing, a new sensing platform that doesn’t just measure your biometrics but also adapts to you. It provides insights into over 50 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health.
| Pros for Ultrahuman - Ring AIR - Smart Ring - Size Before You Buy - Size 9 - Bionic Gold - (2023) | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | There were no pros for this product— | Sleep Tracking, Overall Performance, Battery Life, Functionality |
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
I’ve been using the Ultrahuman Air Ring for a bit now, and I’m honestly impressed by how much this tech can do. It’s sleek, lightweight, and super comfortable—I barely notice I’m wearing it, even overnight. What really stands out is how much insight it gives me into my body. The temperature tracking is especially cool—it helps me stay more aware of subtle changes I wouldn’t normally notice. On top of that, it tracks sleep, activity, and recovery in a way that actually feels useful, not overwhelming. The data is easy to understand and has helped me make small but meaningful changes to my daily routine. Whether it’s improving my sleep habits or just being more mindful of my activity levels, it feels like I have a better handle on my overall health. If you’re into wearable tech and want something discreet but powerful, I’d definitely recommend giving the Ultrahuman Air Ring a try. It’s one of those gadgets that quietly becomes part of your daily life—and you miss it when it’s not there.
This review is from Ultrahuman - Ring AIR - Smart Ring - Size Before You Buy - Size 6 - Bionic Gold - (2023)
ROBERTOS Posted
I’ve now had the Ultrahuman ring for a few weeks and I wish I’ve had this my whole life! The first thing I noticed is how lightweight the ring is, you really don’t even notice you’re wearing it. It matches the rest of my gold jewelry and really looks like a simple gold ring. It's very durable and is yet to show any sort of wear and tear. The layout of the app is easy to follow and organized. It is practically identical to its competitors but much cheaper and offers additional features. My favorite thing about the ring is that you can initiate the tracking of workouts, and it will appear on your phone. This is super helpful when I want to compare the workouts I do to my total activity for the day. I’ve also enjoyed tracking my sleep and circadian rhythm. These two features, along with the ability to track your caffeine window, have all helped me build a routine and feel more energized as a result. The battery life is impressive, I can go almost a week without having to charge it. And when I do need to charge it, it reaches 100% battery quickly. Overall, I will be recommending this ring to many of my friends with different lifestyles. This ring is the best way to track your health and wellness and avoids looking like a distinct piece of wearable technology.
This review is from Ultrahuman - Ring AIR - Smart Ring - Size Before You Buy - Size 8 - Bionic Gold - (2023)
Nina Posted
Great ring: comfy accurate, and battery lasts days!
This review is from Ultrahuman - Ring AIR - Smart Ring - Size Before You Buy - Size 8 - Raw Titanium - (2023)
LukeP Posted