The electronic handcuff device includes a handcuff including a locking device, a sensor unit for measuring a change around the handcuff and the handcuff, and storing the change information measured by the sensor unit, and the safety posture or threat posture of the wearer from the information. A first transmission / reception unit for transmitting a suppression command when it is determined that the threat position of the wearer is determined according to the determination of the operation unit, and transmitting a suppression command when it is determined that the safety position is determined; The receiving unit includes a pressing unit driven to suppress the wearer. The electronic handcuff system includes the electronic handcuff device and a controller.
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