Connection and compatibility: Connects via Bluetooth, is compatible 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 health 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 health and activity metrics, including heart rate, sleep quality (e.g., deep sleep, light sleep), daily steps, blood oxygen saturation, calories burned, walking distance, and HRV (heart rate variability) — providing all-around insights into your physical well-being.
Size Confirmation Before Purchase: The DYUANETEC Ring D2 is available in standard sizes. Before purchasing the ring, measure your finger size and buy the ring in the correct size based on your finger size.