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.
Specifications: Comb power button & reset button on Power supply and HDD working status LED indicators w/ PMMA case for switch protection Covered self-adhesive in bottom for easy installation 5FT in cable length