SPEED - SuperSpeed USB 3.0 for maximum performance. COMPATIBILITY - USB C OTG adapter Transfer files, pictures, videos from TF/SD card to your PC, Android cell phone, Android tablet, and USB C laptops, cell phones, tablets conveniently. SUPPORT- Supports to read/write SDXC, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC Card and UHS-I Cards. LED indicates the data transfer process. CONVENIENCE - Plug-n-Play, no installation required.