Oura Ring 4 Ceramic - Midnight Smart Ring
$399.00
$499.00
20% off
★
(4.7k reviews)
Experience the Oura Ring 4 Ceramic in Midnight. Stylish and durable premium zirconia ceramic finish with powerful sleep, activity, and wellness insights.
Details
- Material: High-performance zirconia ceramic exterior with seamless titanium interior
- Battery Life: 5-8 days
- Water Resistance: Up to 100m/328 ft
- Sensors: Red, infrared, and green LEDs, digital temperature sensor, accelerometer
- Dimensions: Width: 7.9 mm, Thickness: 3.51 mm
- Weight: 5.1 - 8.1 g
- Connectivity: Bluetooth Low Energy, supports airplane mode
- Compatibility: iOS and Android, 40+ app integrations