This external Blu-ray burner features a 6x slot-loading design and supports reading and burning Blu-ray, Dvd, and Cd discs. It is compatible with various formats including Bd-r, Bd-re, Dvd R, Dvd Rw, Cd-r, and Cd-rw. It can play BD25/BD50 Blu-ray discs and 3D movies, meeting needs for system installation, data backup, and multimedia playback. Connecting via Usb 3.0, it's plug-and-play and compatible with desktops, laptops, Macs, MacBooks, and Windows Xp to 10, macOS, and other operating systems. Note: When connecting to a desktop computer, insert the burner into a rear Usb port on the computer case do not use extension cables or Usb splitters. The package includes the burner, Usb cable, power cord, and instruction manual. It is an ideal backup device for solving the problem of a computer without an optical drive.