This cable has one mini USB connector and two standard USB connector. One standard USB connector with 1 foot red cable supply additional power/current to the external slim DVDRW drive when one USB port can not supply enough power to drive your DVDRW device. Please connect the black cable to PC and slim external drive first. Then connect the red cable to other USB port on your computer. For Liteon slim DVD writer Model eSAU-208, eSAU208 or hp model dvd556s, dvd-556s

This cable has one mini USB connector and two standard USB connector. One standard USB connector with 1 foot red cable supply additional power/current to the external slim DVDRW drive when one USB port can not supply enough power to drive your DVDRW device. Please connect the black cable to PC and slim external drive first. Then connect the red cable to other USB port on your computer. For Liteon slim DVD writer Model eSAU-208, eSAU208 or hp model dvd556s, dvd-556s