1、RELIABLE AND EFFICIENT: Type C to 7.9mm adapter provides reliable and efficient charging for your devices. Built in PD and E Mark smart chip automatically adjusts the current to ensure stable and continuous charging for your laptop. 2、COMPACT AND LIGHTWEIGHT: Type C to 7.9mm charging adapter is easy to use and lightweight. It can be easily stored in your pocket and ready to use when you need it. 3、SUPPORT UP TO 100W: Type C female to 7.9mm charging adapter is designed to support a wide range of laptops from 18W to 100W. 4、NOTE: Type C to 7.9mm adapter supports powered laptop chargers equal to or greater than the original wattage. Please note that this USB C to DC adapter supports a voltage range of 18.5 to 20V. 5、TYPE C FEMALE TO 7.9MM CHARGING ADAPTER: USB 3.1 Type C USB C to DC18.5‑20V 7.9mm adapter PD emulator trigger 90 degree angle.