1、Sleep Monitoring: The smart ring utilizes advanced technology to monitor and track your sleep patterns, ensuring you get the rest you need for optimal health. 2、Calorie Tracking: This smart ring comes with the added benefit of tracking calories burnt in real time, helping you stay in control of your fitness goals. 3、Lightweight: Made of premium metal, the smart ring is lightweight and comfortable for long periods of time without affecting your daily activities. 4、Mood Management: Smart ring can track your mood swings and provide personalized advice and solutions to help you achieve emotional balance. 5、Bluetooth Connetion: Health tracker ring has a user friendly design, just connect to your phone or other device via Bluetooth technology to easily manage and share your health data. Item Type: Smart Ring Material: Metal Ring Battery Type: 1 x Li-ion Battery (included) Ring Battery Capacity: 18mAh Ring Battery Life: Approximately 3-5 days Ring Charging Time: 60 minutes Charging Case Battery Type: 1 x Li-ion Battery (included) Charging Case Battery Capacity: 300mAh 1 x Smart Ring 1 x User Manual 1 x USB Cable 1 x Battery Case