EdisonBright 4 Port EB-4U (34w 4-Port USB Charging Hub) Multi-Port USB Charger for iPhone 6 / 6 Plus, iPad Air 2 / mini 3, Galaxy S6 / S6 Edge note 4 S30R UM10 UM20 MH20 and More Smart 4-Port USB Travel Charger EB-4U can Charge 2 iPhones with each 5V 1A ports and 2 iPads with each 5V 2.4A ports simultaneously. Total current available is 6.8A (34 Watts) Built with multiple protections: over current, over voltage, short circuit, over termperature protections,surge protection, and smart current detection which enables the swiftest and safest charge for your device. Usable Worldwide. AC Input 100-240V 18 months replacement warranty