4 ports (5V / 7.2A total) power maximum-speed charges to 2 Apple (2.1A max) and 2 Android (1.5A max) devices - simultaneously. * Compact (3.6 x 2.5 x 1.0in), unibody design for use on the go. * Heavy-duty plastic outer shell and premium circuitry ensure lifetime reliability. * AC 110-220V input voltage ideal for international travel. * Package contents: Anker® Quad-Port Wall Charger, user manual.