Revolutionary Rotating Design: Your Portable Stress Reliever The COLMI R11 is not just a smart ring—it's your personal anxiety relief tool. Featuring a unique rotating mechanism, it allows you to channel stress and anxiety into a calming, tactile experience. Perfect for moments of focus or relaxation, wherever you are. Comprehensive Health Management at Your Fingertips Stay on top of your health effortlessly. The R11 tracks vital metrics like heart rate, sleep patterns, and activity levels, empowering you to take control of your well-being with data-driven insights. It's like having a personal health assistant on your finger. Ultra-Long Battery Life with Convenient Charging Case No more frequent charging. The R11 comes with a sleek charging case, delivering an incredible 30 days of battery life. Whether you're at home, on a trip, or always on the move, the R11 is ready to support your lifestyle. Experience innovation, convenience, and wellness with the COLMI R11. Base parameters Brand: COLMI Product Name: R11 Smart Ring Colors: Black Size: 8, 9, 10, 11, 12, 13 Connectivity: 5.0 BLE (Bluetooth Low Energy) Chip parameters Main chip: Realtek Chipset Model: AB2026 Compatible system: Android 5.1 or above, iOS 12.0 or above Waterproof level: IP68 & 5ATM Sensor Sensor: STK8321 Heart Rate Sensor: Vcare VC30F Battery Battery type: Lithium polymer Capacity: 15mAh (8#~9#), 18mAh(10#~13#) Charging mode: Charging Case or Magnetic Charging Cable Charging Case: 200mAh Software App name: Da Rings App language English, Arabic, Bulgarian, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Mongolian, Norwegian Bokmål, Pashto, Persian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese. Finger health Monitor your health status Enjoy Stress-Free Moments The rotatable design allows the ceramic ring to spin freely With each rotation, your thoughts clear, easing tension and gradually soothing emotions. helping you quickly regain energy and radiate Sleep Monitoring When you drift off to sleep, the COLMI R11 smart ring automatically tracks your sleep quality and generates a detailed sleep report, assisting you in cultivating healthy sleep habits. Activity Tracking Stay on top of your fitness goals with the COLMI R11 smart ring, which meticulously tracks your daily activities, providing you with real-time insights into your performance and progress. APP generates activity statistics Supports recording of daily energy consumption, average daily steps, and daily/weekly/monthly data visualization. APP connection The QRing App needs to be connected to the ring via Bluetooth on your phone, keep Bluetooth on, and automatically record relevant data. Record data The COLMI R10 smart ring can record exercise data, heart rate, sleep, etc., and the sensing data between fingers is more accurate. Heart Rate Monitoring With round-the-clock heart rate tracking, you can gain a deeper understanding of your physical state during both active and restful periods throughout the day. This feature allows you to proactively monitor your health and wellness. Easily Measure Stress and Control Life's Rhythm Effortlessly track your current stress levels, allowing you to better manage your life's pace and live out your own brilliance. Long Battery Life Enjoy uninterrupted use with the COLMI R11 smart ring’s extended battery life. Equipped with a charging case, it can provide up to 13 additional charges and up to 30 days of use. Casual exercise Accurately records steps, calories burned, distance...supports your multi-sport modes Ring Size Chart In the Box