Ultra-thin and lightweight: At just 0.7 inches thick and 0.66 pounds. 4-in-1 Multi-functional interface: In addition to being an external DVD drive, it also doubles as a USB HUB with 2 USB ports, 1 SD card slot and 1 TF card slot compatible with USB hard drive, wired/wireless mouse & keyboard and other USB computer accessories. High speed writing and reading: 24x (CD) / 8x (DVD±R) / 6x (DVD±R DL). Plug and Play wide compatible with Windows/Mac OS. Widely used: This drive is perfect for listening to music, watching movies, backing up data, burning files, installing software, operating systems or games.