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💍 Own your health, in style and precision.
The Oura Ring 4 is a premium smart ring crafted from durable titanium, offering up to 8 days of battery life and water resistance. It tracks over 30 biometric signals including sleep, heart rate, stress, and women’s health metrics using advanced Smart Sensing technology. Designed for 24/7 wear with a comfortable fit ensured by a dedicated sizing kit, it integrates seamlessly with the Oura app and membership for personalized health insights.
| ASIN | B0D9WVVB5J |
| Additional Features | Sleep Tracking, Activity Tracker, Heart Rate Monitor, Stress Monitoring, Women's Health Tracking, Long Battery Life, Water Resistant, 24/7 Wear |
| Age Range Description | Adult |
| Band Color | Gold |
| Band Material Type | Metal |
| Battery Average Life | 8 days |
| Battery Capacity | 8 |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Battery capacity | 8 |
| Battery cell composition | Lithium Polymer |
| Best Sellers Rank | #83 in Electronics ( See Top 100 in Electronics ) #1 in Wearable Tech Rings |
| Brand | OURA |
| Built-In Media | Information Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable |
| Case Material Type | Titanium |
| Closure Type | Slip On |
| Color | Gold |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone, Tablet |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Controller Type | Ring |
| Customer Reviews | 4.0 out of 5 stars 6,223 Reviews |
| Display Type | Analog |
| GPS Geotagging Functionality | No GPS |
| Global Trade Identification Number | 06430060153349 |
| Human Interface Input | Unknown |
| Item Dimensions | 27 x 27 x 7 millimeters |
| Item Dimensions D x W x H | 27D x 27W x 7H millimeters |
| Manufacturer | Oura |
| Metrics Measured | Optical Heart Rate Sensor |
| Model Name | Oura Ring 4 - Gold - Size 14 |
| Model Number | JZ90-54216-14 |
| Operating System | Android |
| Operating system | Android |
| Shape | Round |
| Special features | Sleep Tracking, Activity Tracker, Heart Rate Monitor, Stress Monitoring, Women's Health Tracking, Long Battery Life, Water Resistant, 24/7 Wear Special features Sleep Tracking, Activity Tracker, Heart Rate Monitor, Stress Monitoring, Women's Health Tracking, Long Battery Life, Water Resistant, 24/7 Wear See more |
| Style Name | Modern |
| Supported Application | Fitness Tracker |
| Supported Satellite Navigation System | GPS |
| Target Audience | Men |
| Warranty Description | 2 year manufacturer warranty |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IPX4+ |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless communication standard | Bluetooth |
R**U
dying battery render the ring useless, free replacement seamlessly provided
Product works as expected and is hepful. After 7 months of usage battery is dying, resisiting less than one day after full charged. I contacted the seller, and free replacement arrived in couple of days, no need to return the mafunctioning one. As such, a one star reviewe turned into a 5 stars.
T**E
Pricey and good quality
No wonder it is priced very high but it delivers the quality justifying the price tag
A**Y
Battery issue
After 5 months of usage battery capacity decreased to ~ 1.5 day. Sometimes during the night ring hangs and does not provide sleep metrics at all. This issue also seems to be related to battery malfunction. Latest firmware and soft resets do not help.
K**O
Life changing if you’re willing to put the work in
I’ve had it for a month now and I can say it really keeps me on track not necessarily health and fitness but more habits and trends. I think everyone can benefit from it. It came neatly packaged and sealed 100% new and after wearing every day I definitely have a lot of small scratches (and I take it off for showering doing dishes etc) but not visible to the normal eye
L**G
the best investment I've ever made
I love it !! The Oura Ring 4 is a powerful tool for those looking to optimize their health mindfully and without the digital noise of other devices. It’s ideal for anyone who values sleep quality, physical recovery, and overall well-being. I highly recommend it if you’re committed to improving your lifestyle in a smart and sustainable way.
I**Y
Good functional ring. Maybe the best on the market
Color has changed in few months. A lot of scratches. But the ring in overall is very good and functional.
F**I
Outstanding technology
The ring works very well and it is helping to monitor my health, sleep and activity. Strongly suggested. I got my ring the same day I ordered, great service from Amazon
Y**A
Tarnished very quickly, choose carefully
The Oura Ring colour has tarnished within 4 weeks of wearing, it now looks copper (not rose gold), and doesn't match my jewellery. I'd ideally like to exchange but the return window is really short on Amazon and there is no option to swap now even after a short period, wouldn't recommend as the colours tarnish very quickly!
Trustpilot
1 month ago
1 week ago