Experience the future of health monitoring with the Smart Ring Saturn. This elegant and technologically advanced smart ring is the perfect companion to keep track of your health and physical activity. Lightweight and discreet, it's so comfortable you'll barely notice you're wearing it, but it's packed with exceptional power to take care of your well-being every day. Smart Ring Saturn offers a discreet and powerful solution to monitor your health and physical performance, all while enjoying style and comfort. Health monitoring: Tracks heart rate, blood oxygen levels, and stress levels around the clock Data access: Real-time updates via a dedicated app, with automatic syncing when connection is restored Sleep management: Automatically detects rest periods, monitors REM sleep, light sleep, and deep sleep to improve your sleep habits Waterproof: Certified 5 ATM, waterproof up to 50 meters for 30 minutes – perfect for swimming, showering, or other daily activities Sports & Fitness Tracking: Compatible with a variety of sports activities and fitness progress Charging: 1 hour of charging provides up to 3 days of battery life. Comes with a portable charging case for up to 13 charges without a power connection Specifications: Battery: 15 mAh (ring) / 200 mAh (case) Battery life: Up to 3 days Charging time: 1 hour Protection class: IP68/5ATM App: Ksix Ring Compatibility: Android 5.1 / iOS 8.0 and above Material: Stainless Steel + Resin + ABS Sizes: XS (18.1mm), S (19.1mm), M (20mm), L (20.6mm), XL (21.4mm)