1、Magnetic Charging: Experience a seamless charging experience with the strong magnetic coil within our smart ring, allowing for efficient power connection. Simply attach the ring to start the charging process, which completes in approximately one hour, ensuring that the ring is fully charged and ready for extended use. 2、Lightweight, Long Battery Life: Designed for comfort and enduring use, it ensures an almost lightweight wearing experience. It offers prolonged battery life to support your daily activities without interruption, alongside IP68 water impermeable capability, allowing for submersion up to 1000 meters. Crafted from ceramic, this smart ring combines aesthetics with functionality, providing a glaze that feels smooth against your skin. 3、Sleep Tracking: Understand your sleep patterns comprehensively with our sleep index feature that examines deep, REM, and light sleep stages, as well as times of wakefulness, offering insights into your sleep behaviors and physical condition. 4、Fitness Tracking: Enhance your health journey with the intelligent ring's app, offering diverse indoor and outdoor activity experiences. Effortlessly observe your steps, distance, calories, and pace. Analyze map trail tracking and detailed workout data to improve your performance and exceed your limits 5、Health: The smart ring is more than just a health device; it's a proactive lifestyle. By recording and analyzing your health data, it will motivate you to adopt better life style choices to stay energetic and balanced. Whether you're passionate about fitness, sleep focused, or want to manage stress effectively, the smart ring provides tailored advice and guidance. Item Type: Smart Ring Material: Ceramic Weight: Approx. 40g / 1.4oz Battery (Built in): Polymer Li Ion 156825 Capacity: 16MAH APP: Download for ECTRI System Functions: Pedometer, Temperature, Pressure, Sleep Tracking, Women's Health, Exercise Data, Exercise Track, Gesture Function, Somatic Game, Car Key and More! Water Impermeable Rating: IP68 1 x Smart Ring 1 x Storage Case 1 x Charging Cable