Oura Ring 4 Ceramic - Cloud Smart Ring
$399.00
$499.00
20% off
★
(4.7k reviews)
Experience the Oura Ring 4 Ceramic in Cloud. Stylish and durable premium zirconia ceramic finish with powerful sleep, activity, and wellness insights.
Details
- Sensors: Red/infrared LEDs (blood oxygen), green/infrared LEDs (heart rate, HRV, respiration), digital sensor (temperature), accelerometer (movement)
- Battery Life: 5-8 days
- Materials: High-performance zirconia ceramic exterior, seamless titanium interior
- Weight: 5.1 - 8.1 g
- Dimensions: Width: 7.9 mm, Thickness: 3.51 mm
- Connectivity: Bluetooth Low Energy, automatic firmware updates, EMF-safe, airplane mode, FCC-certified
- Water Resistance: Up to 100m/328 ft
- Compatibility: iOS and Android, supports 12 languages, integrates with 40+ apps