Features: brand new and high quality Connect to the computer through TYPE-C to perform data transmission, writing and USB3.0 expansion of the SD card / TF card. Support mobile phone OTG function, view the data in the card on the mobile phone at the same for time two-way transmission, for play video, etc. Type-c 3.1 standard male. Pop-up card slot + line length 9CM. More usage environment ... SD 2.0 card slot x 1 + microSD 2.0 card slot x 1. USB3.0 expansion, efficient transmission, backward for USB2.0.usb1.1. Support OTG function. Manage all files directly on mobile phones and computers, quickly browse and edit information, easy to carry, download and upload, and data transfer. Read and for play audio and video files directly from the external memory card, and backup. Can view most mainstream file formats. Specifications: Material: ABS Size:approx. 5.8x4x1cm/2.28x1.57x0.39in Interface: USB 3.1 Package Includes: 1PC x Type C Card Reader note: The mobile phone must support OTG function. No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!