Item Type: Smart RingMaterial: Stainless steel, electronic componentsBattery Type: Lithium battery (shipped with built in battery)Battery Capacity: 18mahBattery Life: 3-5 daysCharging Time: 45 minutesProtection Level: IPX8Color: GoldHow to Use:1. Turn on and offTurn on: After the ring is fully charged, disconnect the power, the ring automatically turn on and off: after the power is exhausted, the ring automatically shuts off.2. Bluetooth connectionAfter disconnecting the power supply, the ring will automatically turn on, Bluetooth will turn on the broadcast, APP will search for the device, select connection instructions: Please open the Bluetooth permission and location permission of the APP.3. Blood oxygen concentration monitoringAutomatic test: The ring automatically tests the blood oxygen concentration value every 2 hours, and saves the test data to generate a historical record chart; Real time test: Click the "Test" button to actively test the real time blood oxygen concentration value and save the latest real time test data. Note: Remain seated, blood oxygen monitoring, the ring red light continues to flash. Blood oxygen warning, the detected value exceeds the upper limit or below the lower limit APP will shock warning.4. The test time can also be changed in the APP according to user requirements.Record the number of steps per hour in real time, generate the chart of the number of steps, synchronize the data in real time with the connected APP status, upload the number of steps when the connection is not connected.5. Blood pressure test: Blood pressure test is an active test; Click the Test blood pressure button to display the data.6. The sleep monitoring ring records the complete sleep cycle in real time, and scientific algorithms analyze the duration of waking, light sleep, deep sleep and other stages, and generate recording charts.7. Upgrade the APPAPP automatically detects the version of the ring program. For better user experience, please upgrade the ring program and APP to the latest version. 1Multifunctional: The smart ring has multiple functions to monitor your body temperature and blood oxygen at any time, allowing you to observe your health at any time. 2Lightweight Design: Smart ring ultra light body, no wearing sense, wearing experience so light that you may forget its existence. 3Exercise Ring: The smart health ring can also be an exercise ring, because it can record the number of steps you take in a day to provide you with a nice use experience. 4Detect Sleep Quality: This smart ring can detect your sleep time and sleep status while you sleep, and tell you how nice your sleep quality is. 5Excellent Grade Material: The smart ring is made of stainless steel, rustproof, durable, beautiful, elegant, a nice match with your daily clothes. 6Ideal Gift: This smart ring is a meaningful gift. It is suitable for any occasion or holiday such as birthday, anniversary, Thanksgiving, Christmas, Hanukkah or Valentine's Day.