Specification The main selling point of the product is IP68 waterproof, 1.2-inch full-fit HD round screen, 7-day battery life Main features Heart rate ECG blood oxygen, counter, payment, weather, stopwatch, music control, Bluetooth photo Product modeling sport health watch machine reference size “49x49x12MM, strap extension length 240MM Case Aluminum body, reinforced mineral glass mirror, plastic back cover. Strap Eco-friendly food-grade silicone strap, two-tone design Charging station Strong magnetic charging interface, charging 200mA for 1 hour. Eco-friendly productswhite qualified Bluetooth push indicator for calls, SMS, WeChat, QQ message content synchronization Heart rate detection Support 24-hour timed heart rate monitoring Pedometer, sports calories, calorie consumption, exercise mileage Sleep monitoring Collect and analyze your sleep objectively and scientifically and open it automatically from 9:00 am every night to 9:00 am the next morning Battery size and capacity 320mAh