| Accessories Included | Charger, cable, a quick start guide |
| Batteries Included | Yes |
| Battery Capacity | 14.5mAh |
| Battery Life Details |
Up to 8 days- An estimate of how long the battery lasts before needing recharging, based on standard tasks and usage |
| Bluetooth version |
4.0 LE (Bluetooth is a wireless way of transferring data between electronic devices over short distances) |
| Brand | Oura |
| Care instructions | Regularly clean the sensor bumps with a soft cloth or mild soap and water, and dry thoroughly before wearing |
| Cellular Generation | Not Cellular |
| Composition | Biocompatible titanium, PVD, DLC |
| Compatible with | Android and IOS |
| Connectivity type | Bluetooth |
| Country of Origin | Estonia |
| Guarantee | 1 year guarantee included |
| Model name / number |
Oura Ring 4 Ceramic Midnight |
| Movement | Quartz or Battery |
| Music Capability | No |
| Power Supply | Rechargeable Battery |
| Sensors & Trackers |
|
| Smart Technology | Via Manufacturer's App |
| Vibration alert | No |
| Design & Material |
|
| Weight and Dimensions |
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