Stainless Steel Shell: The COLMI R10 smart ring features a stainless steel casing that is highly corrosion-resistant, exuding elegance with its beautiful design, and offering a comfortable wearing experience. Health Monitoring: The COLMI R10 smart ring comes equipped with comprehensive health tracking capabilities, including blood oxygen level, heart rate, and sleep quality monitoring, ensuring your well-being is always in focus. Activity Tracking: The COLMI R10 smart ring accurately records your physical activity, allowing you to stay informed about your fitness data anytime, anywhere, and supporting your active lifestyle. Base parameters Brand: COLMI Product Name: R10 Smart Ring Colors: Black, Gold, Silver Size: 7, 8, 9, 10, 11, 12, 13 Connectivity: 5.0 BLE (Bluetooth Low Energy) Chip parameters Main chip: Realtek Chipset Model: RTL8762 ESF Compatible system: Android 5.1 or above, iOS 8.0 or above Waterproof level: IP68 & 5ATM Sensor Sensor: STK8321 Heart Rate Sensor: Vcare VC30F Battery Battery type: Lithium polymer Capacity: 15mAh (7#~9#), 18mAh(10#~13#) Charging mode: Charging Case or Magnetic Charging Cable Charging Case: 200mAh Software App name: QRing App language Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Türkiye, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malaysian Download App: Google Play or APP Store Finger health Monitor your health status Sleep Monitoring When you drift off to sleep, the COLMI R10 smart ring automatically tracks your sleep quality and generates a detailed sleep report, assisting you in cultivating healthy sleep habits. 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. Blood oxygen testing Blood oxygen levels are a critical indicator of overall health. The COLMI R10 smart ring continuously records your blood oxygen data, providing insights into your well-being. 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. Activity Tracking Stay on top of your fitness goals with the COLMI R10 smart ring, which meticulously tracks your daily activities, providing you with real-time insights into your performance and progress. 5ATM Water Resistance Designed for durability, the COLMI R10 smart ring boasts 5ATM water resistance, making it suitable for swimming and other water-based activities without compromising its functionality. Long Battery Life Enjoy uninterrupted use with the COLMI R10 smart ring’s extended battery life. Equipped with a charging case, it can provide up to 13 additional charges and up to 39 days of use. Casual exercise Accurately records steps, calories burned, distance...supports your multi-sport modes Ring Size Chart In the Box