1. It integrates plugs from various countries and USB charging functions, and can be used in more than 200 countries and regions around the world. 2. The smart chip automatically identifies the device and matches the current to meet the needs of family members/companions to charge all devices. Compatible with multiple protocols such as PD3.0/PD2.0/PPS/QC3.0, mobile phones/notebooks/tablets/game consoles can be charged. 3. The pins are built-in, light and space-saving, easy to carry when going abroad. 4. The US, Australia, UK, and European plugs can be freely converted to easily solve the problem of charging when traveling around the world. 5. Plug conversion is simple and convenient. The plug lock device can only push out one kind of plug at the same time, and automatically locks after pushing out, which is safer to use.