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.