Electronic device, wearable device and controlling method thereof

The electronic devices, wearable device and a control method are disclosed. Control method for an electronic apparatus according to the present invention is an induced current based on a signal pattern corresponding to at least the step of receiving a touch command on one of the object, the touch command is input object and an electronic device each displayed on the display screen transmitting an induced electric current generated by a user touching the object and the step of generating a wearable (wearable) device. Accordingly, the present invention can minimize the user authentication step required on the terminal or service that requires a user authentication.