To realize the proposition, the wearable display provides an external output unit outputting a signal having the same contents as a signal input to a device to an external device, at an exterior part of {TAIL ~ an apparatus body} including the device making information of contents including images into a state capable of being sensed by a user, and mounting fixtures mounting the device on a head portion of {HEAD ~ the user} 
To realize the proposition , the wearable display provides an external output unit outputting a signal having the same contents as a signal input to a device to an external device , at an exterior part of { TAIL ~ an apparatus body } including the device making information of contents including images into a state capable of being sensed by a user , and mounting fixtures mounting the device on a head portion of { HEAD ~ the user }
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