Product introduction: Connect to the computer through TYPE-C, carry out SD card/TF card data transmission, writing, and USB3.0 expansion. Support the mobile phone OTG function, view the data in the card on the mobile phone at the same time two-way transmission, play video, etc. Design highlights: 1.type-c 3.1 standard male header 2. Pop-up card slot + cable length 9CM. More use environment... 3.SD 2.0 card slot*1+microSD 2.0 card slot*1 4. USB3.0 expansion, efficient transmission and backward compatible with USB2.0.usb1.1. 5. Support OTG function. Manage all files directly on mobile phones and computers, quickly browse and edit data, easy to carry, download and upload, and data transfer. 6. Read video and audio files directly from the external memory card, play them, and back them up. 7. Can view most mainstream file formats.