NEW Oura Ring 4 SILVER smart ring sz7

Oura Ring 4 Our most personal smart ring ever Silver Size 7 Elegant silver design. Sleek and modern. Perfect for tech-savvy style. Sleeker, smarter, and made for you Our new Smart Sensing technology provides enhanced accuracy, deeper personalization, and longer battery life. Sleek, fully-titanium design and discreet sensors provide 24/7 comfort. With 5-8 days of battery life per charge, never miss a beat when it comes to tracking your health. Track over 50 health and wellness metrics, and get personalized insights into your sleep, activity, stress, metabolic, heart health, and women’s health. With innovative, AI-powered tools like Oura Advisor, get exclusive access to actionable insights that become increasingly tailored over time. Heart Health Sleep & Rest Activity & Movement Stress Women’s Health Metabolic What's Included Oura Ring 4 Size-specific charger USB-C cable Sensors Red and infrared LEDs measure blood oxygen levels Green and infrared LEDs alternate to measure heart rate and heart rate variability 24/7 and respiration rate Digital sensor measures temperature trends Accelerometer tracks movement and activity 24/7 Compatibility Oura App is available in English, Finnish, Japanese, German, French, Spanish, Italian, Norwegian, Swedish, Czech, Dutch, and Danish Supports metric and imperial units of measurement Integrates with 40+ apps Available on iOS and Android Width: 7.90mm Thickness: 2.88mm Weight: 3.3 to 5.2 grams 5-8 days of battery life