F57l Blood Glucose Sugar Smart Watch Body Temperature Ecg Hrv Monitor Waterproof Silicon tape black

Description: Product model: F57L Screen size: 1.91 inches 280 * 320PX Battery capacity: 260mAh App operating system: IOS 9.0 or above, Android 4.4 or above Charging method: magnetic suction charging wire Band 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 visuals 2 [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 monitored 4 [Blood Oxygen Detection] The smart watch is equipped with advanced PPG biolo