No external drive or power supply required. Simply plug it into your USB port and the DVD driver will be detected./ The USB 3.0 CD drive offers faster data transfer speeds of up to 5 Gbps. It is backward compatible with USB 2.0./ It has strong error correction ability, shock resistance and noise reduction technology./ External CD drive supports CD playback , VCD, SVCD, CD-R, CD-RW, DVD-R/DVD-RW and writing CD-RW, CD+RW, DVD-RW, DVD+RW, etc./ Compatible with Windows 2000/XP/2003/Vista/7/8.1/10, Linux and all versions of Mac OS systems, support any PC, Ultrabook and Netbook./ Specification:/ Supported formats: DVD-ROM, DVD-Video, CD-R/RW, CD-ROM/XA, CD-ROM, CD-EXTRA, CD-TEXT/ Supported Media Types: CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RW, DVD+RW, DVD+R, DVD+R DL, DVD-R DL, DVD RAM/ Speed of reading : CD-ROM: up to 24 times; DVD-ROM: up to 8 times; DVD-ROM (DL): up to 6 times/ Write speed: 24x CD-R, 8x CD-RW, DVDR: 8x max; DVDR DL: 4x max; DVD-R9: 2.4x maximum/ Rewrite speed: DVD+RW: up to 4X; DVD-RW: up to 4X; CD-RW: up to 10X; DVD-RAM: up to 3X/ Cache memory: 2M/ feature:/ 1 Your computer needs to install the CD/DVD driver if the external device cannot be recognized by your computer./ 2. Make sure the laptop's power supply is sufficient. Insufficient capacity may prevent the device from being recognized./ 3 New Windows systems have stopped using the internal DVD media player software, and customers who use Windows 10 and later are recommended to install VLC media player to play DVDs and CDs./ 4 Some external devices require sufficient power to function properly, so make sure the computer is plugged into a power cord or use a powered USB hub on the computer./ packing list/ 1x USB CD drive (CD not included)/ 1x user manual