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The watch body is thin and lightweight, making it comfortable to wear. The Finer bezel of the dial looks more atmospheric and easy to operate 200mAh Ultra large milliamp battery provides longer battery life, eliminating the hassle of running low on battery 24-Hour heart rate autonomous monitoring, paying attention to your potential heart problems, and protecting your health Newly upgraded blood oxygen detection sense with optional measurement intervals to protect your blood oxygen health 24/7 Accurately identify your sleep problems and provide you with high-quality sleep improvement suggestions Support multiple professional sports modes such as running, cycling and more 
