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The common plug containing adapter often cannot be used easily because of the limited size, or the problem of occupying other jack. The Angle Plug is different for enabling its head to rotate 360 degrees in order to fit in various situations.
Pressing the buttons on the two sides in the front part of the plug, and rotate, for changing the direction.
Angle Plug could replace plug of different countries, so it could be used easily around the world.
National Taiwan University of Scien
Shih Chang-Chi, Ciou Han-Sheng