Đồng hồ thông minh theo dõi sức khỏe đo đường huyết/nhịp tim/huyết áp f57l chống nước

Description:Product model: F57LScreen size: 1.91 inches 280 * 320PXBattery capacity: 260mAhApp operating system: IOS 9.0 or above, Android 4.4 or aboveCharging method: magnetic suction charging wireBand color: metal black, champagne gold Specifications:1 [1.91 inch high-definition large screen] High color gamut, ultra narrow border, and large display screen. Rich and delicate colors, realistic and vivid visuals2 [50+Sports Modes] Supports up to 50+professional sports modes, based on precise real-time heart rate monitoring and Al algorithm. The watch will record various data during movement in real-time, ensuring more efficient and safe movement.3 [Heart Rate Monitoring] The watch is equipped with an optical heart rate sensor, which can perform daily 24-hour high-precision heart rate monitoring. The LED light on the back shines light onto the wrist, and the different flow rates of blood are monitored4 [Blood Oxygen Detection] The smart watch is equipped with advanced PPG biolo