Function
1. Quickly determine whether the charging function of the connected device is normal
2. It can support simultaneous output of two or three devices
3. Display the interface type of the connected device, you can judge whether the connected interface type is correct
4. Display real-time access time, you can calculate the time required for the device to be fully charged
5. Display the working voltage of the device, you can judge whether the power supply of the motherboard is normal
6. Display the working current of the device, you can judge whether the working current of the main board is normal
