1.35inch Full Color Display Heart Rate Monitor Blood Pressure Bracelet 24-hour Health Tracking Sport Fitness Bracelet Touchable A style Description: Screen size: 1.35 inches 380PPI Battery capacity: 280mAh App operating system: IOS 9.0 or above, Android 4.4 or above Charging method: magnetic suction charging wire Specifications: 1 [Borderless high-definition screen frame] 1.35 inch high-definition full screen, high pixel display resolution plus professional sharp screen display technology, make each picture display clear, flexible, narrow edge design, and reject thick and heavy frames. 2 [24-hour heart rate monitoring] The watch is equipped with a professional heart rate sensor to detect the speed of heart beat. Simultaneously supporting 24-hour uninterrupted high-precision heart rate monitoring, allowing you to have a better understanding of your own health 3 [158 Sports Modes] Supports up to 158 professional sports modes, based on precise real-time heart rate detection and Al algorithm. The watch will record various data during movement in real-time, ensuring more efficient and safe movement. 4 [100 Fashion dials] There are multiple styles of dials inside, which can be freely switched through watches or apps, and also support custom editing of dials. Your style is defined by you. 5 [Support AI voice intelligence] Connect to your phone, be able to listen, do, and be on call, and easily complete daily functions through a voice assistant Package Included: 1 * Watch 1 * Charging cable 1 * Instructions B style 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 la