How should the 2.4G smart time and attendance bracelet be combined with the smart campus? What role does it play in a smart campus?

Function: On the basis of the functions of the 2.4G time attendance bracelet, add heart rate monitoring, air pressure monitoring, calorie calculation, sleep monitoring, exercise step counting, mileage calculation, sharing circle of friends, remote photo taking, sedentary reminder, drinking reminder, Alarm clock reminder, incoming call reminder, anti-lost mobile phone, altitude, raise the wrist to bright the screen, environmental temperature detection

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