PortaPow Fast Charge + Data Block USB Adaptor with SmartCharge Chip (Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> If you have purchased a powerful mains or car USB charger but find that it charges your Apple or Android device slowly or not at all when using a normal USB cable， this adapter may solve the problem. </span></li><li><span class="a-list-item"> PortaPow's SmartCharge Chip automatically switches between Apple， Android and Samsung standards to provide the highest charging speed possible from computers / mains / car / solar USB chargers. </span></li><li><span class="a-list-item"> Physically blocks 'data transfer' mode so there is no risk of data hacking / viruses when charging from an unknown USB socket. Computer USB sockets can be treated like a mains charger. </span></li><li><span class="a-list-item"> Compatible with all iPhones / iPads， Android / Windows phones and tablets， and 1000s of other micro USB / USB-C devices. See below for more details. </span></li><li><span class="a-list-item"> Allows charging upto 2.4A depending on the spec of your charger and device， 4x faster than a standard computer USB socket. Will not increase charging speed in all cases. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41XAY-7-iJL.jpg" noproxy>