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The Oura Ring 4 is a sleek, all-titanium smart ring that tracks over 30 health metrics including sleep, heart rate, and activity with Smart Sensing technology. Designed for 24/7 wear, it offers up to 8 days of battery life, water resistance, and a comfortable fit ensured by a dedicated sizing kit. Paired with the Oura app and membership, it delivers actionable wellness insights without distractions, making it the ultimate discreet health companion for professionals.











| ASIN | B0D9WVSZ56 |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery cell composition | Lithium Polymer |
| Brand | OURA |
| Compatible Devices | Smartphone |
| Connector Type | Bluetooth, USB |
| Customer Reviews | 4.0 4.0 out of 5 stars (5,414) |
| Date First Available | 3 October 2024 |
| Device interface - primary | Buttons |
| Display Type | No Display |
| Includes Rechargeable Battery | Yes |
| Item Dimensions LxWxH | 25 x 25 x 7 Millimeters |
| Item Weight | 5.2 g |
| Item model number | JZ90-54217-08 |
| Manufacturer | Oura |
| Memory Storage Capacity | 5 MB |
| Model | JZ90-54217-08 |
| Mounting Hardware | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Number of items | 1 |
| Product Dimensions | 2.5 x 2.5 x 0.7 cm; 5.2 g |
| Special Features | Heart Rate Monitor, Activity Tracker |
| Wireless Type | Bluetooth |
R**W
We purchased the Oura Oura Ring 4 as a Christmas gift for our 20-year-old son, and it has quickly become one of his favorite gifts. He’s very interested in understanding his body better, and this ring gives him exactly that without being bulky or distracting. The first thing he commented on was how comfortable and lightweight it is. Unlike a smartwatch, he doesn’t feel the need to take it off during the day or while sleeping, which makes it much easier to wear consistently. The sizing kit was definitely helpful, and once the correct size was selected, the fit was spot on. What really stands out is the amount of data and insight the ring provides. He loves being able to monitor things like sleep patterns, activity levels, recovery, and overall wellness in one place. The app presents everything in a clean, easy-to-understand way, making the information useful instead of overwhelming. It’s more about trends and awareness than obsessing over numbers, which I appreciate. Sleep tracking has probably been his favorite feature so far. He’s been genuinely surprised at how detailed the sleep insights are and has already made small adjustments to his routine based on what the ring is showing him. It’s encouraging to see technology used in a way that promotes better habits rather than distractions. Battery life has been solid, and charging is quick and simple. He also likes that it doesn’t constantly buzz or demand attention—it quietly collects data in the background and lets him check it when he wants. Overall, this was a great gift and feels well worth it for someone interested in health, fitness, and self-awareness. If you’re looking for a wearable that focuses more on wellness and less on screens and notifications, the Oura Ring 4 is an excellent option. Our son absolutely loves it, and it’s something he uses every single day.
V**A
i love my oura ring , its so stylish - literally can make you look drab to dressy and chic.other than good looks - its very efficient ,i can only wear this ting to bed and the app does a fab job at analyzing your sleep parameters.- quality , restfulness, readiness, length (REM, DEEP and many more) love the cycle tracking - tells your your basal body temperature and possible period start dates. has good selection for health tracking and activities . its all in one , all of my family uses it and loves it !
A**R
I've had my aura ring for a little over a month now. I was very hesitant about this purchase. For one it's one of the more expensive options for tracking biometrics on top of that you need to pay a monthly subscription to really use the thing. That being said it is worth every single solitary penny without a doubt. This thing gives you easily comprehensible data on pretty much everything from the very moment I'm typing this to long term trends. Sleep, fitness, vitality, stress, resilience and so much more. It's also a great educational tool providing you with tips and feedback along the way helping you reach your goals to become a healthier and more productive version of yourself. Here's an example of something that surprised me; this ring started reading and warning me of symptoms of illness before I really started feeling sick with the flu. It diligently kept close watch on my vitals and advised appropriately. It's been extraordinarily helpful in balancing effort with recovery so I don't overdue thing and also don't become complacent. I'm still learning new features and aura is still developing new features all of the time. If you're serious about tracking and improving your health and fitness this is the most useful tool I have found in changing my life second only to faith. The investments you can make in yourself having this much data and sound advice at hand is worth far more than the cost of this ring and subscription. If you have fingers you'd be a fool not to purchase this.
E**A
S**Y
Love the Oura ring is not true to normal ring sizes so definitely use a sizing kit! Becomes comfortable as you wear it an get used to it. I feel like it tracks the heart rate and sleep well but maybe a little less accurate on the activity. Super easy to set up and use the app but does come with a subscription charge. Waterproof I do dishes and shower and everything with it on! But does scratch very easy.
Trustpilot
2 months ago
1 month ago