| Number of Items in Set | 1 |
|---|---|
| Display Resolution | 240 x 240 |
| Power Source | Batteries |
| Size | 13 |
| Color | Blue |
| Indoor/Outdoor | Indoor/Outdoor |
| Measurement System | Decimal & Imperial |
| Material | Titanium |
| For Operating Systems | Android |
| Brand | Oura Ring |
| Department | Unisex Adults |
| Type | Activity Tracker |
| Measurement Provided | Heart Rate |
| Unit Type | Unit |
| Battery Life | Up to 7 Days |
| Language | English |
| Manufacturer Warranty | 1 Year |
| Body Area | Hand |
| Features | Sleep Tracker |
| Sensors | Accelerometer |
| Sport/Activity | Running & Jogging |
| Country of Origin | United States |
Check the listing for details. Oura Ring Gen 4, Ceramic Midnight, Size 13 New. Color: Blue, Condition: New, Made in United States. Listed at 300.00 USD. The Oura Ring Gen 4 in Ceramic Midnight, Size 13 is a sleek activity tracker designed for both indoor and outdoor use. With a display resolution of 240 x 240, this ring provides accurate heart rate monitoring and sleep tracking features. It is powered by batteries with a battery life of up to 7 days, and is compatible with Android operating systems. The ring is stylish in blue color making it a reliable choice for unisex adults looking to track their fitness goals.