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Oura Ring 4 - Ceramic Midnight - Size 7 - Smart Ring | Non-Standard Fit – Measure with Oura Ring 4 Size Kit | Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS/Android Compatible : desertcart.ae: Health Review: Wasn’t Sure at First—Now I’m So Glad I Have It Review: Beautiful ring, but ceramic finish doesn’t last
| ASIN | B0FKR336FD |
| Additional Features | Activity Tracker, Heart Rate Tracker, Sleep Tracker, Stress Tracker, Women's Health Index |
| Age Range Description | Adult |
| Band Color | Midnight |
| Band Material Type | Titanium |
| Battery Average Life | 6.5 days |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Battery cell composition | Lithium Polymer |
| Best Sellers Rank | #24,037 in Electronics ( See Top 100 in Electronics ) #64 in Wearable Tech Rings |
| Brand | OURA |
| Built-In Media | Information Booklet, Oura Ring 4 Ceramic, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable |
| Case Material Type | Titanium |
| Color | Midnight |
| Communication Feature | Bluetooth |
| Compatible Devices | Oura Ring 4 Charging Case - Size 7, Smartphone |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth, USB |
| Connectivity technology | Bluetooth, USB |
| Country of Origin | Estonia |
| Customer Reviews | 4.5 out of 5 stars 399 Reviews |
| Display Type | No Display |
| GPS | No GPS |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Buttons |
| Manufacturer | Oura |
| Metrics Measured | Blood Oxygen (SpO2), Heart Rate, Sleep Duration, Stress |
| Model Name | Oura Ring 4 Ceramic - Midnight - Size 7 |
| Model Number | JZ90-57455-07 |
| Operating System | Proprietary (Oura OS) |
| Operating system | Proprietary (Oura OS) |
| Shape | Round |
| Special features | Activity Tracker, Heart Rate Tracker, Sleep Tracker, Stress Tracker, Women's Health Index |
| Sport Type | Fitness |
| Style Name | Minimalist |
| Supported Application | Fitness Tracker |
| Target Audience | Unisex Adults |
| Unit Count | 1 Count |
| Warranty Description | 2 year manufacturer warranty |
| Warranty Type | Limited |
| Water Resistance Depth | 100 Meters |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless communication standard | Bluetooth |
D**N
Wasn’t Sure at First—Now I’m So Glad I Have It
S**I
Beautiful ring, but ceramic finish doesn’t last
F**A
Przeznaczenie
Bardzo polecam, pierścień gwarantuje bardzo dobre wsparcie w dbaniu o zdrowie.
R**R
Good experience
C**A
Article très mal géré
Article reçu défectueux et coincé dans son socle de recharge, impossible de l’extraire. Service client oura ring compliqué et incompétent Service client affreux, risque de recevoir le produit avec un souci dès le départ et coincé dans le socle (problème récurrent)compliqué faire face à ça avec l’impossibilité de contacter Amazon et la perte de temps en chat bot avec oura ring qui admet ne pas donner toutes les bonnes informations et de devoir s’améliorer , inconcevable avec ce prix de vente
Trustpilot
3 days ago
5 days ago