







💍 Elevate your wellness game with the ring that works as hard as you do.
The Oura Ring Generation 4 is a sleek, titanium smart ring designed for continuous 24/7 health monitoring. It tracks over 20 biometric metrics including sleep, heart rate, stress, and women’s health indicators with outstanding accuracy. Featuring up to 8 days of battery life and a waterproof, durable design, it offers a comfortable fit verified by an exclusive sizing kit. Compatible with both iOS and Android devices via Bluetooth, it’s the ultimate wearable for professionals seeking discreet, data-driven wellness insights.











| ASIN | B0D9WW6RPJ |
| Additional Features | Activity Tracker |
| Age Range Description | Adult |
| Amazon Bestseller | #2,795 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #4 in Activity & Fitness Trackers |
| Band Color | slivery |
| Battery Average Life | 8 days |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Brand | OURA |
| Built-In Media | Oura Ring 8 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Case Material Type | Titanium |
| Color | Silver |
| Compatible Devices | Smartphone, Tablet |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth |
| Country of Origin | Estonia |
| Customer Reviews | 4.2 4.2 out of 5 stars (2,485) |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Buttons |
| Item Dimensions | 24 x 24 x 7 mm |
| Item Dimensions D x W x H | 24D x 24W x 7H mm |
| Manufacturer | Oura |
| Memory Storage Capacity | 4 GB |
| Metrics Measured | Blood Oxygen (SpO2), Heart Rate, Sleep Duration, Stress |
| Model Number | JZ90-54217-07 |
| Shape | Round |
| Target Audience | Unisex Adults |
| Warranty Description | 2 Year Warranty |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
邊**琪
包裝完整,符合期待
P**Y
Works great
Thought it would be more chunky but it’s not. Accurately tracks my workout heart rate and sleep
L**S
事前にサイズキットを購入して1,2日候補となる指でつけて生活することはマストです。 Ouraリングそのものはデータが好きな人間にとって最高のツールです。 結構厚みもありますが、日常生活で邪魔に感じることはほとんどなく日常の一部になっています。
E**N
Useless without membership
Ring is useless without paid membership. You only have access to 3 metrics with no details. You will need to pay 100 dollars a year forever to keep access to detailed metrics. i did myself a favour and stopped paying and bought a generic ring. Lesson learned, hopefully this helps
T**Y
You'll need to subscribe the app (pay regularly), to have full function support.
Size is accurate. However it's thicker than I imagined. Battery life is good, recharge ~5 days.
K**様
Oura Ringを始めて購入するので、メーカー側が推奨している人差し指用のサイズを購入し、人差し指に付けましたが、人差し指は失敗でした。 (1)Oura Ringがすぐに指から外れてしまう。特に手を洗ったり、洗い物をしている際、すぐに外れてしまいます。 (2)通常、物をつかむ場合、親指と人差し指が必須です。なので、コップを掴むにも洗うにもガラスとOura Ringがガチガチと当たってしまい、非常に気になります。 従って、中指用のサイズを買いなおす羽目になりました。 購入する場合は、人差し指は避けた方がいいと思います。
菊**川
購入してから2ヶ月でバッテリーが1日持たない。改善の方法はありますか? 交換可能ですか?
ま**ん
いろいろ試して見ました、やはりオーラリングが1番分かりやすく正確でした。
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.
M**.
Ich weiß dass es einige Stimmen gibt die sagen...waas? Ich brauche auch noch ein Abo um vollständige Insights zu erhalten?! Aber man kauft sich ja auch keinen Ferrari und hat dann kein Geld mehr für Benzin 😉 und genau das ist dieser Ring meiner Ansicht nach...der Ferrari unter den Fitness und Gesundheits Gadgets. Wenn man sonst keine Ringe trägt braucht man vielleicht zwei Tage zum Gewöhnen. Ich hatte bis jetzt schon einige Fitness Tracker und was mich in der letzten Zeit immer mehr gestört hat ist dieser gewisse Druck die Ringe voll zu kriegen, das Bewegungsziel, das Kalorienziel ja sogar ein Schlafziel. Das ist bei dem Oura Ring viel entspannter und auch viel mehr auf einen persönlich kalibriert. Es ist völlig normal das man Nachts mal aufwacht, aber bei Huawei ist das immer ein Riesen Drama, laut der App Empfehlung. Die Oura Ring App gibt sehr viele Personen Bezogene Empfehlungen bezüglich deiner Gesundheit und deines Wohlbefinden. Hinzu kommt noch das ja mittlerweile jeder Horst eine SmartWatch trägt und plus die ganzen Benachrichtigungen die den ganzen Tag reinflattern. Ich kann jetzt wieder meine ganzen normalen Uhren tragen die um Längen besser aussehen als jede SmartWatch. Ich bin total begeistert und überzeugt von Oura.
B**N
Great love it really has helped me out with identifying sleep issues
D**Y
Awesome product. Perfection in everything. Does not throw numbers and data and interpretations at you immediately. Comfortable to wear. Just make sure you have tried the sizing kit before hand for atleast 4 to 6 hours if not 24 hours. I am getting a battery life of 5 days plus.
T**T
I’m honestly obsessed with my Oura Ring Gen 4 in silver. It’s sleek, lightweight, and fits comfortably without feeling bulky. I initially ordered a size 8, but it was too big, so I exchanged it for a size 7 and it fits perfectly. The durability seems great so far and it’s holding up really well with daily wear. It was very easy to set up, and the app made everything simple and straightforward. I’m right-handed, so I usually wear it on my left hand as recommended, but I can switch it to my right depending on what jewelry I’m wearing that day, which adds nice versatility. The tracking is impressive. My sleep insights feel accurate, and I’ve become more aware of how my rest impacts my energy and stress. Battery life is great, and it charges quickly, so I’m never without it for long. You do need the app and a small monthly membership, but overall it feels like a good value for the money. Highly recommend.
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