PVC wire, firm and not easy to break. Fast and stable transmission, quick charging speed. This power cable is a straight-through cable, does not supports 12V power supply, and supports power supply within 3A. Optional plug types: for /5.5x2.1, for /5.5x2.5, for /3.5x1.35, for /4.0x1.7, for /2.5x0.7 to choose from to meet your needs. Wide application, can be used for router, fan, radiator and so on devices charging and transmission.