Smart Ring Heart Rate Blood Oxygen Monitoring Bluetooth Ring IP68 & 5ATM Waterproof Swimming Diving Sports Records

SVFIREK. The ring chip uses German Dialog DA14531, which brings you excellent performance and efficient smart experience, injects a powerful core into the smart ring, making every interaction of yours smoother, ultra-low power consumption, and longer lasting use. Using a 17.5mAh polymer battery, a full charge can last for about 15 days, greatly improving the battery life of the replacement. Fully enclosed structure, 5-ATM waterproof technology, can be worn while swimming, snorkeling or diving, supports 50M depth waterproof, meets your various waterproof needs. When the phone is not connected, the ring can also monitor the body independently, record blood oxygen and heart rate status, and update the data in the app after the connection. Smart ring, remote control photography, allowing you to easily capture the perfect moment anytime and anywhere. Supports multiple regular sports map track sports, including walking, running, cycling, etc. After exercise, check the APP exercise data, such