IPX8 Waterproof This smart ring adopts IPX8 waterproof technology, which can withstand long-term immersion in both freshwater and seawater environments without damage. IPX8 rated devices can cope well and meet the needs of different underwater activities such as swimming, diving, and water sports, allowing users to engage in these activities without worrying about equipment damage due to contact with water. Health Monitoring smart ring health tracker 24-hour uninterrupted recording of sleep structure, monitoring of your heart rate, measuring blood oxygen saturation, accurately capturing every beat, and presenting real-time changes in physical signs, like a protector, guarding your health every day. Fitness Ring Intelligent motion monitoring. You can view your daily exercise data, including calories, mileage statistics, and exercise time. When exercising, you can turn on the exercise mode, which can better analyze your exercise status.