4 IN 1 EXTERNAL DRIVE: external CD burner has a USB 3.0 Dual-C interface, an SD card slot and 2 USB 2.0 ports, it can be used on more devices and provide you strong fault tolerance. (Note: the USB disks SD cards are not included)UNIVERSAL COMPATIBILITY: Portable CD DVD drive is compatible with most systems:Windows 10 / 8 / 7, Vista 7 / 8, XP, Linux, Mac OS10.6 or above. It also supports varies discs: CD-R, CD-ROM, CD+/-RW, DVD-ROM, DVD-R, DVD+/-RW, DVD-R DL and VCD ROM discs(Chromebook are not supported)HIGH SPEED: Advanced reading technology, provides Max 8x DVDR Write/Read Speed and Max 24x CD Write/Read speed. With USB3.0, offers a max data transfer rate of 5Gbps, Pictures and sounds quality are much more vivid and clearer when enjoying movies.CD PLAYER PLUG AND PLAY: Easy to use,powered by USB port. No external driver and Power needed. Just plug it into your USB port and the DVD driver will be detected automatically. Watching movies, listening to music, installing software, burning discMULTIFUNCTIONAL OPTICAL DRIVE :Adopted intelligent technology,, Pop-up button and disc tray Design makes it convenient to read or write discs.the You can use it for entertainment, office and to learn or work anywhere and anytime.colour:BlackMaterial:Metalsize:138 x 146 x 14mmPackage Contents:1 x USB CD drive(CD not included)1 x Type-c adapterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.