Have trouble transporting bulky external DVD drives? 
Many modern computers no longer come with DVD drives built in. With our WGIA CD DVD drive, you can still watch all your favorite DVD movies without having to go through the trouble of installing an internal drive, making it a great and easy way to add a DVD drive to your laptop or Macbook. Compatible with both Mac and Windows, the plug-and-play design allows you to simply connect the drive to your computer with the included USB cable and then begin reading or burning CD and DVD discs. Don't know if you have a USB 3.0 port? No problem! This drive will still function with USB 2.0 and 1.0 

Specifications 
Interface: USB3.0(2.0 Compatible) 
Support Systems: Windows 98/SE/ME/2000/XP/Vista/Win 7/Win 8/Win 10/Mac 10 OS System 
Read Speed: CD-ROM: 24x Max; DVD-ROM: 8x Max; DVD-ROM(DL): 6x Max 
Write speed: 24x CD-R, 8x CD-RW, 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 
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 
Buffery Memory: 2MB 

Attention 
- Before you using the CD-ROM drive, make sure your computer has a "Media Player". 
- Please hook up the device to the direct USB port on your computer. If you connect it to a USB hub or extension cords, it might not recognize the driver or read the CD/DVD. 
- For the desktops, please connect the device to the USB port of the motherboard for normal use. 

Features

EFFORTLESS SETUP -Just plug into your USB Port and the DVD writer will be detected. It features strong error-correcting ability, anti-shock and noise reduction technology, low power consumption, and powered by the USB port, no external driver and power needed.

HIGH-SPEED USB 3.0 INTERFACE - The writer burns CD discs at up to 24x and DVD disc at up to 8x. In addition, the drive has USB 3.0 capabilities, allowing the writer / burner to be 10 times faster than models that work on the USB 2.0 system while still being backwards compatible with USB 2.0 and 1.0/1.1

UNIQUE BURNING TECHNOLOGY - Adopted unique intelligent burning technology, you can burn your disc or interrupt recording at your ease. Pop-up button and disc tray design makes it convenient to read or write discs.

Packge Includes:
1 x USB3.0 External DVD Drive (CD not included)
1 x User Manual

Amazon is offering this unit for $21.99. I can do better than that.
Brand new just like you bought it from them I will sell it to you for $10.00!