Smart Ring Sleep Calories Multilingual Features: The double-layer aviation titanium alloy structure is comfortable to wear and has a slim texture. High-precision sensor for multi-dimensional measurement. IP68 women's inner wear for worry-free use. The device is designed for wireless charging, and the built-in battery stores power for easy portability when going out. It can charge the device independently. The slim design made of titanium alloy has an outstanding temperament. Product Description: Bluetooth: BLE5.0 Temperature sensor: NST112C level: IP68 Gravity sensor: MSA310 Standby time: 3~5 days sensor:HX3605 Charging : wireless charging (built-in battery compartment wireless charging base) Packaging accessories: smart ring + standard charging cable + instruction manual Personalized Health Companion: Track your sleep, activity, recovery, and stress effortlessly with this stylish smart ring Comfortable and Functional: Lightweight, non-allergenic, and water-resistant design allows for all-day wear, from workouts to nights out Enhanced Accuracy: Utilizes finger measurements for precise health data and insights tailored to your needs Seamless App Integration: Syncs with your favorite health apps for easy monitoring and sharing of your health metrics Quality Assurance: We prioritize product quality and customer satisfaction. for any inquiries, our customer service is ready to assist yo