This USB External Drive DVD-RW for Laptop & Desktop is an extra slim DVD drive with ability to write and read. Perfect companion for your notebook / true plug & play interface / travel easily， very convenient.Features :Support equipment， laptop or desktopPlug & Play (Windows 98 SE excluded)Support OS Windows 2000 / ME / XP / VISTA / Windows 7 / Windows 8Support Mac OS 8.6 or higher operating systemSupport DOS to start (boot operating systems installed XP， etc.)Access port USB 2.0 (Also works with Old USB 1.0 Version)Hardware requirements PC with USB interface and compatible computer or laptop machineHost Interface USB 2.0 (USB 1.1 compatible with USB power supply requied)Size : 5.4" x 5.51" x 0.63" (L x W x H)Read Speed : CD-ROM: 24x Max; DVD-ROM: 8x Max; DVD-ROM (DL): 6x Max;Write Speed : CD-R: 24X Max; DVD±R: 8X Max; DVD±R DL: 4X Max; DVD-R±9: 2.4x Max;Rewrite Speed : DVD+RW: 4X Max; DVD-RW: 4x Max; CD-RW: 10X Max; DVD-RAM: 3x Max;Buffer Size : 2 MBAccess time : 130 msSupported Formats : CD Text， CD Extra， CD-DA (audio)， CD-I， CD-ROM XA， Photo CD， Video CD， CD-ROM， DVD-VideoSupported 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 RAMPackage includes :1 x USB External Drive DVD-RW for Laptop & Desktop ， Netbook ， PC2 x USB Data InterfaceFree Protective PouchCompatibility with Windows 98SE ， XP ， 2000 VISTA ， 7 ， 8 ， Linux & Mac OS.