USB Charger, 5V, 15.5W, 4-Port USB Wall Charger Travel Power Adapter Portable Travel Charger with foldable plugs & Smart IC for Apple iPhone, iPad,Samsung Galaxy & HTC, Nokia and More (white) Widely Compatible: Works with almost any smart device with DC 5V input, e.g. iPhone, iPad, Samgung Galaxy Tab, Andorid Smartphones, Bluetooth speakers/headsets, GPS, etc. Charge 4 of your mobile devices simultaneously & rapidly, including tablets, smartphones, e-book readers, etc. Portable Design. Foldable plug and compact profile makes it fit easily into your bag or purse C an ideal companion for mobile users. Safety Assurance. Designed with built-in circuit protection to keep your devices safe while charging. INPUT:AC100-240V 50-60HZ OUTPUT:5V DC3.1A 1USB:5V 2.1A 2USB:5V 2.1A 3USB:5V 1A 4USB:5V 1A