[【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. Like a professional coach it accurately captures every movement ensures the accuracy of every data and makes your exercise journey more efficient and scientific. 【Long Usage Time】The smart rings is equipped with a Powerful charging cable which can be used to charge quickly and efficiently. It can be fully charged in about 1 hour. it can be used continuously for up to 7 days and there is no need to worry about electricity frequently. 【High Quality Materials】Low power Bluetooth 5.0 connection. Made of sturdy and durable stainless steel and epoxy resin ensure high strength and corrosion resistance while also providing reliable protection for equipment ensuring that internal precision components are not affected by external factors. Epoxy resin provides strong protection for the service life of equipment with its excellent insulation and wear resistance.]