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Product design Description: SOS bracelet is designed specifically for the elderly, a practical hand ring, in the arrival of the emergency situation, can help the elderly contact with outsiders, get timely relief. The overall use of new materials, tungsten titanium steel, 360 degrees of softness that can carry different arms. The main function is to detect the pulse, abnormal vibration; knock - connect the receiver and send a high frequency sound; rotation - switch on the receiver.
South China University of Technology
Foshan city, China