➤【selling point】 ● 1. Bluetooth5.0 ● 2. Split screen display function, the UI scene is more intelligent ● 3. 24 sports modes, covering more sports scenes ● 4. 5ATM Deep waterproof, suitable for wearin more→g in more environments ● 5. HRS3690 low-power high-definition heart rate/blood oxygen, more accurate detection ● 6. 1.71inch high-definition large screen, resolution 280*320 ● 7. 380mAh large battery, long battery life, reducing the trouble of charging at any time ● 8. Customize your own watch dial, massive watch dials from dial market ● 9. APP: Da Fit, more stable than most of the apps in the app store. ➤【Functions】 Call reminder and rejection, step count, sleep,