Rules are common in the United States
1. Fold the plug;
2. Slim;
3. PD3.0, QC3.0 protocol
4. Input undervoltage protection, output overcurrent/short circuit/overtemperature protection

Input: 100-240Vac 50-60Hz 0.4A max
USB-A*1: 5V/3A,9V/2A,12V/1.5A；(QC3.0 18W) 
Type-C*1: 5V/3A,9V/2A,12V/1.5A；(PD3.0 18W) 
Total: 18W                      USB-A and USB-C working at the same time, the output is 5V/3A