PD AUTOMATIC IDENTIFICATION CHIP: 100W DC5521 to USB Type C extension cable with built in PD automatic identification chip, can output 5V/9V/20V. INPUT AND OUTPUT: Input is DC5521 female connector, 15V‑20.5V, output is Type C male connector, PD 5V/9V 1.5A, 20V 5A. PURE COPPER CORE: DC to Type C connector header is made of aluminum alloy for heat dissipation and durability, nylon knitted wire body, pure copper core for flexible use. APPLICATIONS: 100W high power charging, stable charging without burning, fast full charge, suitable for all kinds of small chargers, cell phones, laptops, headphone charging bins and speakers. LIGHTWEIGHT AND PORTABLE: DC 5.5mmx2.1mm input to type c cable is small and lightweight, easy to carry, suitable for office, studio and travel use.