The MYSWEETY USB3.0 DVD burner provides you faster data transfer speed. It is a perfect companion for computers without the internal drive. Specifications: Product Dimensions: 5.77*5.65*0.63in Net Weight: 806oz Internal Chip: 9.5mm USB Interface: USB3.0(Backwards compatible with USB2.0&1.0) Working Voltage: 3-5V Compatibility System: Windows 2000, XP, Vista, 7, 8 and all versions of MAC OS systemsbr> Computers: laptop, desktop and other computers with USB ports. Write Speed(MAX): CD-R: Max24X CAV CD-RW: 4X CLV High Speed CD-RW: 10XCLV Ultra Speed CD-RW: Max 24X Zone CLV DVD-R: Max.8X CAV DVD-R DL: Max.6X Zone CLV DVD-RW: Max.6X Zone CLV DVD+R: Max.8X CAV DVD+R DL: Max.6X Zone CLV DVD+RW: Max.8X Zone CLV DVD-RAM: Max.3-5X PCAV(4.7GB) Read Speed(MAX): DVD-ROM: Max 8X CAV CD-ROM: Max 24X CAV Notice：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 maybe cannot recognize the Driver or not read the CD/DVD. Package included: 1x MYSWEETY External DVD Drive1 X USB Cable1 X User Manual