The COLMI R11 Waterproof Smart Ring offers advanced health monitoring with heart rate, blood oxygen, and HRV tracking, helping you stay in tune with your body. Its 5ATM water resistance ensures durability for everyday wear, even in wet conditions. Designed for gentle care and thoughtful companionship, this smart ring supports your health management seamlessly and stylishly. General Information Brand: COLMI Model Number: R11 Certification: CE, FCC App Compatibility: Da Rings Build & Design Case Material: Ceramic Weight: About 6 g Special Features: Rotating design for stress relief Sizes Available Size 10#: Circumference 62.2 mm (2.45 in), Diameter 19.8 mm (0.78 in) Size 11#: Circumference 64.7 mm (2.55 in), Diameter 20.6 mm (0.81 in) Size 12#: Circumference 67.2 mm (2.65 in), Diameter 21.4 mm (0.84 in) Size 13#: Circumference 69.7 mm (2.74 in), Diameter 22.2 mm (0.87 in) Battery & Charging Battery Capacity (Ring): 15 mAh Battery Capacity (Charging Case): 200 mAh Battery Life: Up to 60 days with charging case Charging Method: Magnetic Charging Connectivity & Performance Bluetooth Version: 5.2 Main Control Chip: AB2026 Water Resistance Waterproof Grade: 5ATM (suitable for water resistance up to 50 meters) Health Monitoring Heart Rate Monitor Sleep Monitor Blood Oxygen (SpO2) Monitor Stress Monitor Activity Tracking Activity Tracker Steps Tracker Distance Tracker Calorie Tracker
