7-IN-1 OPTICAL DRIVE: Our portable DVD player is not just a CD/DVD reader, but also a CD/DVD burner. It includes 1 USB 3.0 hub port, 3 USB 2.0 ports, an SD or TF card reader, and 1 USB-C port, perfect for transferring photo and video files from your camera via card to your computer. (Note: SD and TF cards cannot be used simultaneously). USB 3.0 HIGH-SPEED DATA TRANSFER: This CD burner utilizes high-speed USB 3.0 technology. Many of the port cluster connectors are marked in blue and are backward compatible with USB 2.0. USB 3.0 is an upgraded version of USB 2.0, offering higher data transfer speeds of up to 5 Gigabits/S (625MB/S), approximately 10 times faster than USB 2.0. WIDE COMPATIBILITY: The optical drive supports reading and writing CD±R/RW, CD-ROM, DVD±R/RW, DVD-RAM, VCD, and SVCD. Additionally, this USB-A and USB-C external drive is compatible with various devices such as Macbooks, iMacs, Notebooks, Desktops, and Laptops. It supports Windows 11/10/8/7/XP, Vista 7/8, Linux, and Mac OS 10.6 or later. (Not supported for cars, TVs, tablets, smartphones, projectors, or Blu-ray discs; Windows 11 requires Media Player and network).