The new CQ4048U external CD-RW drive from MET offers 40x writing speed, 12x rewriting speed and 48x reading speed. We add an external case to CyQ've CQ4048U so users can connect to their PC/Notebook/MAC through USB intserface. The transfer speed of new USB2.0 is 480MBit/sec. Also it is easy to carry. CyQ've CQ4048U External CD-RW comes with the newest Nero5.5, a 40x CD-RW disc, 4x-12x CD-R disc, user manual, cable and etc.. All MET customers can have free firmware upgrade, free technical FAQ support and other first hand information.