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.*
A: This ring is water resistant and can withstand depths of up to 328 feet.
Q: What kind of health data does the ring track?
A: The Ring AIR tracks your sleep, movement and recovery trends.
Q: What is the warranty on the ring?
A: The manufacturer's warranty for both parts and labor is 1 year.
Q: What is the maximum depth of water resistance for the ring?
A: The maximum depth of water resistance for the ring is 328 feet.
Q: How long does the battery last on a full charge?
A: The Ring lasts up to 6 days on a complete charge.
Q: What is the warranty on the ring?
A: The manufacturer's warranty for parts on the ring is 1 year.
A: This ring is water resistant and can be submerged in up to 328 feet of water.
Q: How long does the battery last on a full charge?
A: 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 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday durability. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. This colorful new take comes with the same cutting-edge technology of Oura Ring 4. Track over 50 health metrics and get personalized insights into your sleep, activity, readiness, stress, heart health, metabolic health, women's health and more. It is built around a breakthrough sensing technology, Smart Sensing, which adapts to your finger to deliver accurate, continuous data. With 5-8 days of battery life, you'll see a complete picture of your health. It's designed with recessed sensors on the interior, making it comfortable and gentle, even on sensitive skin. Oura Ring 4 Ceramic comes in sizes 4-15 and four stunning finishes to fit your style and your finger, effortlessly. Keep your Oura Ring 4 Ceramic looking like new with the Ceramic Polishing Pad. Once you activate your Oura Ring 4 Ceramic, you’ll receive an in-app message and email with instructions to redeem your free Ceramic Polishing Pad. Due to the hardness of the zirconia ceramic, it can take on the color of softer metals, like a dumbbell or cookware. Over time, you may notice grey marks on your Oura Ring 4 Ceramic. Rest assured, it's not damaged — it's evidence of a metal transfer and easy to remove with proper cleaning. Use caution when handling metal objects and consider removing your Oura Ring for some activities. The Oura Ring 4 Ceramic Polishing Pad is your partner in keeping your ring in top condition.

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.*
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