Feature:1. Multifunctional Design: The fitness smart ring offers real time tracking of sleep patterns and calorie consumption, providing comprehensive health tracking for your well being.2. Accurate Data: Utilizing advanced technology, the smart ring provides precise and reliable health data, helping you gain a better understanding of your physical condition.3. Emotional Management: Track your mood fluctuations and receive personalized advice and solutions to help you achieve emotional balance and mental well being.4. Lightweight and Comfortable: Made from metal materials, the ring is lightweight and comfortable for you to wear for extended periods, without interfering with your daily activities.5. Smart Connectivity: Seamlessly connect to your smartphone or other devices using Bluetooth technology, enabling convenient management and sharing of your health data.Specification:Item Type: Smart RingMaterial: MetalRing Battery Type: Lithium Battery x1 (Built in Battery)Ring Battery Capacity: 18mAhRing Battery Life: Approx. 3-5 daysRing Charging Time: 60 minutesCharging Case Battery Type: Lithium Battery x1 (Built in Battery)Charging Case Battery Capacity: 300mAh.Package List:1 x Smart Ring1 x Instruction Manual1 x USB Cable1 x Battery Case