BD-R DL: USB 3.0 High Speed Interface: Portable size is equipped with USB 3.0 high speed interface, bringing you faster data transfer speed and stable performance, compatible with USB 2.0 and USB 1.0.
DVD+R: Powered by USB Port. Plug and play. No driver and external power needed. Just plug it into your USB port and the DVD driver will be detected. When you connect it to the desktops, please connect it with the computer's motherboard to avoid of power shortage.
Specifications: This USB adapter cable offers 1.64FT in cable length, which lessens strain on the motherboard header, ensuring a reliable, long-lasting connection. 2x downstream USB 'A' female connectors,USB Female headers come with holes and screws for PC case installation 1x Motherboard USB connector Compliant with USB 2.0 specifications