[Dual Slot USB-C Card Reader] Compatible with SD, SDHC, SDXC, MicroSD, Micro SDHC, Micro SDXC cards are supported in UHS-I mode. [Superspeed Data Transmission] This USB type C card reader has data transmission speeds up to 110MB/S. (NOTE: Device with USB 2. 0 will only run at 480Mbps). [Plug and play] OTG card reader. No additional driver/software needed. No App required, you can easily transfer photos and files from your SD/TF card to a USB C device.