Inateck 4-Port 30W Compact USB Wall Charger (5V 2.4A x 2 & 5V 1A x 2) USB Portable Charger All-In-One Travel Charger for iPhone, Kindle, iPad, iPod, Smartphones, 5V Tablets, Bluetooth Speakers and Other USB-Powered Devices 2x 5V/2.4A (Super Charger) Interfaces: Supports 5V USB charged devices on sale (Most types of mobile phones,tablet PCs or digital devices);2x 5V/1A (Universal) Interfaces: Supports smart phones from iPhone, Samsung & other 1A USB devices Designed to be portable: Compact measurements, easy to carry around, optimised for fast charging of multiple types of USB-charged devices Durable and robust, simple and convenient operations, realised with one press on a button Safe and Reliable: Smart chipset for automatic recognition of current and voltage to be used for charging, realised for most types of digital USB-charged peripherals Highly durable ABS plastics, Relatively good charging performance, whilst reducing heat generation