3.400 mA intelligent wall charger for smartphones/tablets This extremely compact 2-Port power adapter with Europlug offers plenty of charging current for smartphones, tablets and many other USB devices. Simply plug it into the socket and connect it with a suitable USB cable - and it's ready to charge up fast even when there is no suitable PC-connection nearby. The intelligent protection system prevents short circuits, overheating or overvoltage.The Smart Charging Technology can identify compatible devices and provide optimized charging current. The charging adapter is much more efficient and economical than a conventional USB charger and the interchangeable power plug allows the usage at almost every socket and almost anywhere in the world. intelligent device detection and adjustment of the charging current compact design for convenient placement at any socket-outlet 2 USB Ports with up to 3.4 A output with 100 to 240 V can also be used abroad ensures fast charging directly at the socket suitable for many popular smartphones, tablets etc.