COOLEAD USB 2.0 External Blu-ray Drive BD ROM/DVD ROM/CD ROM/DVD RW/CD RW For Laptops, Notebook, Desktop PCs 100% Brand New,Simply Plug and Play. Read Speed: 2x BD-ROM ,24x CD ,8x DVD ,5x DVD-RAM ;Write Speed: 24x CD-R ,24x CD-RW ,8x DVD-R,8x DVD+R ,8x DVD-RW,8x DVD+RW,8x DL-R,8x DL+R,5x DVD-RAM Interface: USB2.0 (Compatible with USB1.1) Disk Load Type: Tray. BD-ROM Combo Drive,Read Blurays and read & write DVDs and CDs.(Blu-ray read only,Can not burner blu-ray) Power by USB, no external AC adapter needed.