1. Features: - **All-weather health monitoring**: The smart ring can continuously 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**: Using the most advanced sensors and algorithms, it accurately monitors health indicators such as blood oxygen saturation and blood pressure to safeguard your health. - **Wearable fitness mode**: The ring is designed to be lightweight and comfortable to wear. Whether you are walking, running, or exercising, it can help you accurately record 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. Whether you are working during the day or sleeping at night, you don't need to take it off, facilitating day - and - night health monitoring. 2. Specifications: - Compatible systems: Android 5.1 or above, iOS 8.0 or above - Communication parameters: Bluetooth 5.0 low - energy chip - Type: Polymer lithium - ion - Capacity: 17mAh - Charging method: Magnetic charging - Waterproof rating: IP68 3. Package content: 1 set of smart ring