A device for varying the direction of an optical beam. A reflectivity of the recording layer is specified to be more than 10%. A country prefix for the destination country is prepended to the number in accordance with the formatting rules to generate a formatted number. Thus, the canopy of the hang umbrella can be adjusted and turned forward and backward as well as leftward and rightward. resembling premature aging, a therapeutic agent for adult diseases or an aging-suppressing agent, using the same.