Please note the Type-C charger power must support 15v output. Otherwise it doesn't work.
Use it with 65W Type-C Charger and support 15v output to conveniently charge your Laptop with DC 15v port.
input: Type-C female, 65W Type-C Charger and support 15v output.
output: Microsoft Surface Laptop male, DC 15v
Build-in the PD Emulator Trigger at Type-C female end.