JoyNano 21W 4-Port USB Travel Charger 5V 1A 2.1A Folding Plug for iPhone iPad, Samsung Galaxy, HTC, Motorola, Smart Phones, Tablets and More - White 4 USB ports designed to charge simultaneously for your iphone, ipad and android device. 2x 5V 1A and 2x 5V 2.1A, total max output of 5V/4.2A. PC fireproof material, relatively good charging performance, whilst reducing heat generation. User friendly designed: Quad-Port USB charger comes with folding plug. You simply can slip it into your bag when you are out and about. Ergonomic, compact and portable design, much more space-saving and well-organized while charging your devices.