q11 smart watch waterproof fitness bracelet big touch screen oled message heart rate time smartband activity tracker sport watch, Slivery;brown

q11 smart watch waterproof fitness bracelet big touch screen oled message heart rate time smartband activity tracker sport watch features: low power consumption, large battery, 45 days long standby. 1.3 inch large color screen, high definition accurate sleep detection. 24 hours all-weather accurate heart rate detection. app can control the increase and decrease of the bracelet function. a variety of sports mode call reminder, long press refused the appearance is light, the arc is soft and fi...