Hi-mobiler&reg; 20W Black USB Dual-Port Smart Travel/Wall Charger with Smart Charging Technology(SCT) For iPhone 6 6 Plus 5S 5C 5 4S 4 iPad Air Mini 1/2/3 Samsung Galaxy S5 S4 S3 Note 4 3 HTC ONE(M8) Nexus and more Tablets Smartphones Smart Charging Technology(SCT),both Ports can intelligently Detect your device model and deliver the fastest charge(Up to 2.4A) 4A/20W can support two devices charging simultaneously, sufficient for most users with mult-devices Compact and light,foldable plug and 100-240V using on the go around the world Unque arc design enhance sense of touch and minimize the accident harm to human Thorough Safe Guard with over-heated, over-current, over-charging protection