World Power Ultramini 15.5W dual-USB charger creates a universal solution that allows you to connect to standard wall outlet worldwide (except China) to charge 2 USB powers devices together. Simply attach with/without any of the three changeable power plugs for North America, Europe, UK, Australia and Asia Pacific(except China), perfect for travelling. World Power Ultramini 15.5W dual-USB charger, provides 2.1A and 1A output, design for charging both tablet/iPad and smartphone or more all together. In this compact design, not only provides 15.5 W dual USB power supply but also equipped with mulit-protection circuits, for over voltage, power, current and short circuit protection to protect your device being charged. With the foldable and changeable power plugs compact design, can be broken apart for ease of carrying around, ideal for travelling or home or office used.