1. Features: - **Full - time health monitoring**: The smart ring can detect heart rate, blood pressure, blood oxygen, and sleep quality 24 hours a day, helping you comprehensively understand and manage your health status. - **High - precision detection**: It uses the most advanced sensors and algorithms to achieve high - precision monitoring of health indicators such as blood oxygen saturation and blood pressure, safeguarding your health. - **Wearable fitness**: The ring is designed to be lightweight. Whether you are walking, running, or doing other exercises, it can accurately record your activity data. - **Intelligent reminder function**: When abnormal conditions such as abnormal heart rate or low blood oxygen saturation are detected, the smart ring can remind you of your health status at any time. - **Durable and comfortable**: The smart ring is made of high - tech materials, which is sturdy and durable and comfortable to wear. You don't need to take it off whether you are working during the day or sleeping at night, facilitating you to monitor your health around the clock. 2. Specifications: - Compatible systems: Android 5.1 or higher, iOS 8.0 or higher. - Connection parameters: 5.0 Bluetooth low - energy chip. - Type: Polymer lithium - ion. - Capacity: 17mAh. - Charging method: Magnetic charging. - Waterproof rating: IP68. 3. Package: 1 set of smart ring.