The external DVD Drive has 1*SD card slot, 1*TF card slot, 1*Type-C ports (For charging), 4*USB solt and 1*2-in-1 cable (usb 3.0 +type-c) for data transfer. You can easily copy music, movies, and data files from SD cards, TF cards, or through the USB/Type-C ports to your computer. You can also transfer files from a player to an SD card, USB hard drive, or USB flash drive.