Type A---USB 2.0









Type B---USB 3.0

Specifications:
Color: Black
Size: 144x 140x 14mm
Material: Aluminum alloy + Plastic
Port: USB 3.0
USB cable length: 23cm
Cache: 2MB
Voltage: DC 5V
Supported disc formats: DVD-RAM, DVD-R, DVD-RW, DVD+R, DVD+RW, CD-R, CD-RW, CD-ROM
Compatible with Windows xp / 2003 / Vista / 7 / 8.1 / 10, Linux, Mac OS system
No need to install the driver program, support plug and play