product description 

External DVD drive with CD burner (COMBO),USB interface, CD, VCD, DVD, CD can be burned at the same time 

Optical drive type COMBO 

Applicable types: notebook, desktop, superbook, all-in-one, netbook 

Installation method: external optical drive, plug and play, convenient and fast Interface type: USB2.0, backward compatible with USB 1.0/1.1 

Reading speed: CD: 24X; DVD: 8X 

Burn CD speed: 24X 

Cache: 2M 

Voltage: 5V 

Disc specifications: 12cm, 8cm 

Accessories: USB data cable, USB cable, simple manual, CD, boxed 

(One of the square ports is the USB data cable, which must be connected. The round port is the USB cable, which is used when the power supply is insufficient. It does not matter if it is connected.) 

Supported computer systems: support Windows 98SE/ME/2000/XP/WIN7/WIN8/VISTA operating system, support MAC OS8.6 or higher

Power saving design, extra strong error correction, shockproof, low noise;

Power supply mode: USB bus power supply, using the latest chip, no external power supply! 

DOS boot: use the latest chip, can be used to boot the installation system, support USB boot before boot