Product Introduction External DVD drive with CD burner (COMBO),USB interface, readable CD,VCD,DVD,MP3 disc can also burn CD disc Ultra-light and ultra-thin laptop desktop are all universal. It is especially suitable for the popular 10-inch netbook to install the system Product Features 」 Applicable type: notebook, desktop, netbook all-in-one machine Installation method: external, USB interface plug-and-play Optical drive type COMBO DVD-ROM Interface Type USB2.0 Maximum reading speed of DVD 8X, maximum reading speed of CD 24X CD burning speed: 24x DVD does not support recording Accessories: USB data cable 1 USB charger lead 1 Manual 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 Port is USB data cable, which is used when the power supply is insufficient. 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, extremely strong error correction, shockproof, low noise; 3. Suitable for laptop, mobile PC and compatible PC 4. Power supply mode: USB bus power supply, using the latest chip, no external power supply 5.DOS startup: using the latest chip, it can be used to guide the installation system and support USB boot before starting up 6. Operating system: Windows98/ME/2000/Xp/VISTA/WIN7,Mac OS8.6 or above 7. CD specifications: 12cm, 8cm 8. Overall size: round