LP&reg; Type-C 7 in 1 Multifunction Memory Card Reader,Include AdapterUSB/TF/SD for Smart Phone Portable Kit MP3 MP4 VideoMacbook and Other Supported Device Type C special interface for new MacBook ,NokinN1 and Letv and other new device While supporting three USB device access to read and write and control Supporting SD T-FLASH/SD/MS/M2,Mircro four major categories of memory card, reading and and writing Maximum transmission speed up to 480Mbps Plug and play without power supply USB equipment is essentials on running type-c interface