USB 2.0 female socket is this end, and the other end is 2pin bare wire Black cable negatived electrode, red cable positive electrode, very suitable for cables Compatible USB connector replacement cable, can be used for 5V USB devices, cannot be used for data transfer, not and keyboards and more It can connection to a 5V power adapter to supply power to various USB devices, and can also connection to a USB plug as a USB power extension cable USB 2.0 female to open end 2pin tinned tail pigtail wire, easy to use, you can easily install the USB rod wire open end connector on the 2-position spring wire connector, not easy to loosen USB 2.0 female tail fiber is suitable for driving recorders power cables, LED desk lamp / bedside lamp, light strips, USB fan, power adapters, circuit board, low-power electrical equipment around computers, and various small household appliances