1、Multi Purpose Design: Through this smart ring, you can monitor your sleep condition and calorie consumption in real time, constantly monitor your health status, and make timely adjustments. 2、Accurate Data: Using advanced technology, this smart finger ring provides accurate and reliable health data, helping you understand your physical condition and reduce diseases. 3、Emotion Management: This smart health monitoring ring can track your emotional fluctuations, provide personalized advice and solutions, and help you achieve emotional balance. 4、Smart Connection: This smart monitoring ring supports Bluetooth connection to your phone or other devices, making it convenient for you to manage and analyze your physical health data. 5、Metal Material: This smart health ring is made of excellent metal material, with fine workmanship, lightweight and comfortable, suitable for long term wear without affecting your daily activities. Item Type: Smart Ring Material: Metal Ring Battery Type: 1 x Lithium Battery (built in) Ring Battery Capacity: 18mAh Ring Battery Life: About 3-5 Days Ring Charging Time: 60 Minutes Charging Case Battery Type: 1 x Lithium Battery x 1 (built in) Charging Case Battery Capacity: 300mAh 1 x Smart Ring 1 x User Manual 1 x USB Cable 1 x Charging Case