OURA RING 4 Silver - Size 8 - New Open Box Smart Ring

Hi. I am selling Oura Ring 4 Silver. It’s Brand New Smart Ring. It’s fully functional. You can come and see it before purchasing no issues. KEY FEATURES: -Material: Full titanium exterior and interior -Finish: Silver (polished or brushed options available) -Width: 7.90 mmThickness: 2.88 mm -Weight: 3.3 to 5.2 grams (varies by ring size) -Water Resistance: Up to 100 meters. POWER AND BATTERY: -Battery Life: Up to 5 to 8 days on a single charge -Charging Time: 20 to 80 minutes depending on current battery level. SENSORS AND TRACKING : -Smart Sensing: Adaptive signal pathways with recessed sensors to track over 50 health metrics continuously -Key Metrics: Heart rate (24/7), blood oxygen (SpO2), body temperature, sleep stages, daytime/nighttime stress, and activity levels -Connectivity: Bluetooth (compatible with iOS and Android via the Oura App). If you’re interested contact me. Thankyou. Brand: OURA