Yubi Power Foldable Universal Quad-Port USB Travel & Wall Charging Station 4 charge ports can simultaneously charge at maximum-speed one 2.4A device (iPad) and three 1.A devices (iPhone/Android) Foldable and Compact (3.2 x 2.2 x 1.1in) design for easy travel. Premium quality circuitry and professional quality material ensure life-time safety and reliability. AC 110-240V voltage ideal for international travel. Supports nearly all USB powered devices.