| Number of Items in Set | 1 |
|---|---|
| Power Source | Batteries |
| Size | 8 |
| Indoor/Outdoor | Indoor/Outdoor |
| Measurement System | Decimal & Imperial |
| For Operating Systems | Android, iOS |
| Department | Unisex Adults |
| Battery Life | Up to 7 Days |
| Measurement Provided | Heart Rate |
| Unit Type | Unit |
| Language | English |
| Display Size | 2.4X External Display |
| Manufacturer Warranty | 1 Year |
| Item Height | 2.000 |
| Body Area | Hand |
| Features | Sleep Tracker |
| Sensors | Accelerometer, GPS |
| Sport/Activity | Running & Jogging |
| Display Resolution | 240 x 240 |
| Color | Blue |
| Material | Ceramic, Metal |
| Set Includes | Ring, Stand, USB Charging Cable |
| Brand | Oura |
| Type | Activity Tracker |
| Model | Oura Ring Gen 4 |
| Country of Origin | Estonia |
| Item Weight | .410 lbs |
Check the listing for details. Oura Ring Gen 4 Ceramic Size 8 MIDNIGHT ~ Brand NEW. Color: Blue, Condition: New, Made in Estonia. Listed at 319.99 USD. The ring has never been used and is still sealed but box isn't
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