5 in 1 CD/DVD driveThe external CD DVD drive for laptop has come with a separate SD / TF card slot, 1 x USB 3.0 Type A port, 2 x USB 2.0 Type A ports, 1 x CD/DVD slot.It can transfer photos and videos directly from SD / TF card into the computer, USB Hard Drive and flash drive. CD drive has additional 2 USB ports which can be used to connect the U disk and charge your phone or other electronic devices.P S: SD card and TF card CANNOT be read at the same time. Wide compatibility The external DVD drive interface supports Type C and Type-A, which is compatible with most laptops, desktops, MACs, and iMacs. also can work for Windows, MacOS and Linux systems. High-speed data transfer Alxum USB DVD drive external supports standard USB3.0 transmission up to 5Gbps, backward compatible with USB2.0, USB1.1. DVD read and burn maximum speed is 8x and CD maximum speed is 24x. Convenience of DVD readerPowered by the USB port, no external drivers and power supplies are required. Just plug it into a USB port and the DVD driver will be detected automatically and you can use it normally.And the cd reader for computer has error correction, anti-skid and quiet capabilities. Ultra-thin size, it can be easily put into a backpack, easy to use it at anytime and anywhere.