Cardio Max Watch Face

The Cardio Max smartwatch face is a dynamic data interface designed specifically for sports and health scenarios. Through three-dimensional visualization of real-time heart rate curves, blood oxygen fluctuation maps, and exercise intensity heat maps, it transforms complex physiological indicators into an intuitive visual language. Its unique "Stress Index Color Ring" algorithm automatically adjusts the dial's primary color based on the user's current heart rate variability (HRV), providing an emotional expression of physiological status.