describe: External DVD drive with CD burner (COMBO), USB interface, readable CD, VCD, DVD, MP3 discs can burn CD discs at the same time Both laptops and desktops are common. Especially suitable for the current popular 10-inch netbook to install the system "Features" Applicable type: notebook, desktop, netbook Installation method: external, USB interface plug and play Optical drive type COMBO DVD-ROM Interface type USB2.0 DVD reading speed 8X, CD reading speed 24X Burning CD speed: 24x DVD does not support burning The accessories are: USB data cable 1 USB power supply cable 1 instruction manual 1 nero software disk 1 packing box Cache: 2M Voltage: 5V Interface: USB 2.0 backward compatible with USB 1.0/1.1 (As shown in the picture above, one of the square ports is a USB data cable, which must be connected. The round mouth is the USB cable, which is used when the power supply is insufficient, and it doesn't matter if it is connected at ordinary times. ) 1. Support Windows 98SE/ME/2000/XP/WIN7/VISTA operating system, Support MAC OS8.6 or higher 2. Power saving design, strong error correction, shockproof, low noise; 3. Suitable for laptops, mobile PCs and compatible PCs 4. Power supply mode: USB bus power supply, using chip, no need for external power supply 5. DOS boot: using a chip, it can be used to boot the installation system, Support USB boot before booting 6. Operating system: Windows98/ME/2000/Xp/ VISTA/WIN7, Mac OS8.6 or above 7. Disc specifications: 12cm, 8cm 8. Dimensions: 135mmX135.5mmX18mm 9. Packing size: 185x165x45mm