Features: 1. Compact and easy carry,especial for business or travel. 2. 3 interface combination,transfer data without cable or Internet. 3. Plug and play,no drive required,transmission speed up to 480mpbs. 4. Compatible with Micro USB/ Type C devices ,like, Letv 1,1 Pro Max 2 Xiaomi 4C,Macbook. This is a portable USB 3.1 Type-C interface card reader , It is suitable for connection to PC, Macbook. The USB port can support mouse, keyboard, flash drives etc, while card reader support SD and mico SD.Note: It only applicable to smart phone, tablet, and notebook/ PC with USB 3.1 Type-C port.Features: ---Support USB 3.1 Type-C device like Macbook pro ---Plug and play, connect hi-speed SD (HC)/ TF memory card easily ---Connection to external USB device like thumb drive and mouse Minimalist design, portable and durable ---Voltage and current overload protection, protect the HUB and connected device ---LED indicator, check OTG data transmission/ charging clearlySpecification: ---Interface: USB 3.1 Type-C ---Port: 1 x USB 2.0, 1 x SD reader, 1 x TF reader, ---Material: ABSPacking List : 1 x Type-C card reader