1. Multifunctional: The smart ring offers a variety of functions, allowing you to monitor your heart rate, body temperature, and blood oxygen levels anytime, enabling you to stay aware of your health status. 2. Lightweight: The smart health ring features an ultra lightweight body, providing a comfortable wearing experience with virtually no sensation of wearing it. It's so light that you may forget it's even there. 3. Sleep Quality Monitoring: This smart ring can detect your sleep duration and sleep stages during your sleep, providing valuable insights into the quality of your sleep. 4. Activity : The smart health ring also serves as an activity , keeping track of your daily steps and providing you with a pleasant user experience. 5. Durable: The smart ring is made of aluminum alloy and ceramic, ensuring durability, aesthetic appearance, and elegance. This smart ring is a meaningful gift for birthdays, anniversaries, Thanksgiving, Christmas, Hanukkah, or Valentine's Day. Specification: Item Type: Smart Health Ring Material: Stainless Steel, Electronic Components Battery Type: Lithium Ion Battery (Shipped With) Battery Capacity: 18mah Battery Life: 3-5 Days Charging Time: 45 Minutes Protection Level: IPX8 How to Use: Power On Off: Power On: After the ring is fully charged, disconnect the power supply and the ring will automatically power on. Power Off: When the battery is depleted, the ring will automatically power off. After disconnecting the power supply, the ring will automatically power on and enable broadcasting. Open the app and search for the device to connect. Note: Please grant the app and location permissions. Blood Oxygen Monitoring: Automatic Testing: The ring automatically tests blood oxygen levels every 2 hours, saves the test data, and generates historical records and charts. Real Time Testing: Press the test button to actively test the real time blood oxygen levelMultifunctional: The smart ring offers a variety of functions, allowing you to monitor your heart rate, body temperature, and blood oxygen levels anytime, enabling you to stay aware of your health status. Lightweight: The smart health ring features an ultra lightweight body, providing a comfortable wearing experience with virtually no sensation of wearing it. It's so light that you may forget it's even there. Activity : The smart health ring also serves as an activity , keeping track of your daily steps and providing you with a pleasant user experience. Durable: The smart ring is made of aluminum alloy and ceramic, ensuring durability, aesthetic appearance, and elegance. This smart ring is a meaningful gift for birthdays, anniversaries, Thanksgiving, Christmas, Hanukkah, or Valentine's Day. Sleep Quality Monitoring: This smart ring can detect your sleep duration and sleep stages during your sleep, providing valuable insights into the quality of your sleep.