New Ring D2 Ring The Ring D2 Ring integrates a variety of cutting-edge innovative technologies. With its lightweight titanium body, it seamlessly fits into your daily life while monitoring your status around the clock — it accurately tracks sleep, mood fluctuations, exercise data, heart and levels, making every management process efficient and intuitive. The charging dock can be used as a power bank for the ring, eliminating your worries about running out of battery during business trips or travels. Important Notes Size Confirmation: Please confirm your correct size before purchasing. Only a properly fitted size can ensure you the best wearing experience. Data Accuracy: It is recommended to wear the ring continuously. For more accurate data, please wear it consistently for more than week. Device Disclaimer: The Ring D2 is not a device. Any data generated by its associated app is for reference only and shall not be used in clinical diagnosis, research or treatment. Connection and compatibility: Connects via Bluetooth, is with Android and iOS phones, and can sync data with a dedicated app. Battery life: Standby time is 5 ~ 7 days, eliminating the hassle of frequent charging and ensuring continuous tracking for daily use and short trips. Durable Material & Reliable Waterproof Performance: Crafted from high-quality titanium, the ring features a lightweight, scratch-resistant, and skin-friendly design for long-term comfortable wear. It also holds an IP68 waterproof rating, allowing safe use during daily activities like handwashing, swimming, or showering. Monitoring functions: Tracks a variety of key and activity metrics, including heart rate, sleep quality (.g., deep sleep, light sleep), daily steps, saturation, calories burned, walking distance, and HRV (heart rate variability) — providing all-around insights into your physical well-being. Very Important: 1. Before purchasing, please confirm your finger size. If you are unsure of your size, you may first purchase a model ring to confirm the correct measurement before buying the actual product. 2. After receiving the ring, remove the protective film, charge the ring for 10 minutes, and then the instructions to download the APP for use.