Green Cell 7-in-1 USB-C Multiport Adapter - Quick Charge 4.0, PD Power Delivery, Samsung Dex, 4K, SD, microSD This ultimate hub adapter transforms your USB-C port into 7 most needed inputs, delivering multiple possibilities for rapid data transfer along with super fast charging. Equipped with Quick Charge 4.0 and PD (Power Delivery) fast charging technologies the Green Cell hub brings fastest charging speed on the market for all USB-C devices. Not only that, this adapter replaces Samsung Dex and Huawei MateDock station bringing you a PC experience via your smartphone* (power supply needed).