NIB Oura Ring 4 Titanium Silver Size 4 - BRAND NEW FACTORY SEALED Smart Ring

Elevate your wellness journey with the latest Oura Ring 4 in classic Silver. This revolutionary smart ring is crafted from 100% medical-grade titanium, making it lighter, thinner, and more durable than previous generations. With its recessed, flush sensors, it offers the most comfortable fit yet for 24/7 wear.  ⚠️ CONDITION: Brand New, Factory Sealed. The original pull-tabs are still intact (see photos). Never opened, never paired, never worn.  • Size: 4 (Perfect for smaller fingers or as a pinky ring). Key Features • Smart Sensing Technology: Features 15+ sensors for high-accuracy tracking of sleep, heart rate, HRV, blood oxygen (SpO2), and activity. • Improved Battery Life: Lasts up to 8 days on a single charge. • Flush Interior: No more protruding sensor bumps—designed for ultimate comfort. • Water Resistant: Rated up to 100m (328 ft)—safe for swimming, showering, and workouts. • App Integration: Works seamlessly with iOS and Android; integrates with Apple Health, Google Health Connect, Strava, and Natural Cycles. Measurements & Specs • Model: OA11 (Oura Ring 4) • Size: 4 • Width: ~7.90mm • Thickness: ~2.88mm (ultra-slim profile) • Weight: Approx. 3.3g (extremely lightweight) • Finish: Silver / Argenté (Polished Titanium)  #OuraRing #OuraRing4 #SmartRing #SleepTracker #Biohacking #WearableTech #FitnessTracker #Titanium #Wellness #TechGifts #Oura