USB power bag is a vigorous 5.1A USB charger which transfers 125V power to 5.0V, 5.1A MAX output,it has four USB ports and charges for one ipad, 3 smart phones. It saves space. Inside there is 1.5 meter electrical cords neatly collected in the removable silicone cover. You can take it with you when you travel. The original design inspired from hand bag, which stands for fashion and color. It is elegant, stylish with multiply color choices.