Square Large Screen Multi-function Sports Running Heart Rate Smart Watch

Product information:
Color: Black silicone band, orange silicone band, Blue silicone band, beige silicone band, black mesh belt black silicone band, black steel belt black silicone band
Operation mode: Multi-touch screen
Screen Type: TFT screen
Battery life: less than 7 days
Functions: Waterproof, step counting, heart rate monitoring, blood pressure measurement, Bluetooth calling, smart reminder, sleep monitoring, blood oxygen detection