Two-way Transmission Theoretical speed 480MbPS fast transfer speed and stable connection, easy to copy / edit / move/ delete / rename / share your awesome things on the "File" application., you can easily import photos/videos from SD/TF card to phone or export files from phone to memory card or usb flash drive. The card adapter saves you a lot of time from data transfer. And the card reader for cmera viewer supports up to 1T storage card (less than 256GB is recommended).<br>Stable two-way transmission The USB SD card adapter allows two transmission methods and supports dual card reading at the same time. Avoid repeated card insertion and removal, speed up file transfer, and make data access more efficient. Compatible with SD / Micro SD / TF / SDHC / SDXC / Micro SDHC / Micro SDXC / MMC card, etc.<br>TYPE-C three-in-one multi-function card reader USB motherboard, for your device to support the corresponding USB peripheral expansion, through the SD/TF card slot, not only can easily expand the device operations, but also to solve the common file transfer steps tedious.<br>Product materiaThe wire is made of high-quality wire, with firm joint positions that are not easy to fall off, and the surface of the wire is wear-resistant. Both Type-C and the main body are made of high-quality aluminum alloy shell, which has efficient heat dissipation and is not easy to scratch.<br>Plug and PlayPlug the card reader directly into your Type C device and use it immediately. No additional software help is required, plug and play. Compatible with Android, Mac OS, Chrome OS, Windows 10/ 8.1/ 8/ 7/ XP and Linux systems