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When James Bond suffered a fire or needed to rush into the fire for rescue, the watch was able to emit a low-frequency sound of 40 Hz to keep the flame away from Bond, helping him escape the fire or rush into the fire to rescue.
Huazhong University of Science&tech
Wuhan, China
Xiaolin Shen,
Huazhong University of Science&tech
Ziyi Zhang,
Huazhong University of Science&tech
Xi Zheng,
Huazhong University of Science&tech
Zhexin Feng,
Huazhong University of Science&tech