Product features: The choice of mobile office, the new USB 3.0 interface, faster speed, ultra-thin body, suitable for notebook, palm computer, netbook or desktop mobile office, generous appearance, stable performance, easy to carry; as long as the computer with USB interface can be used. Only one USB cable can be used Note: There is only one USB 3.0 interface. If you use a desktop computer, you should plug it into the USB interface of the motherboard behind the chassis, because the USB interface in front of the chassis is not powered enough to avoid affecting normal use. Product parameters: Interface Type: USB3.0 Error correction function: Yes CD specifications: 12CM,8CM Product Size: length 13.8/width 14.1cm/height 1.7cm Overall size: length 16.4/width 16.3cm/height 2.7CM Net Weight: 300g Gross weight: 350g Disk reading speed: maximum reading speed of CD 24X, maximum reading speed of DVD 8X Recording speed: maximum burning speed of CD 24X, top DVD burning speed 8X Supported installation systems: XP,WIN7,WIN8,win10, etc. Supported operating systems: WIN98/ME/2000/XP,VISATA,WIN7,WIN8,WIN10.MAC OS8.6 or later Scope of Application: laptop, mobile PC and compatible PC. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.