This cable is called a USB charging cable, it has a USB plug that can be connected to the USB port of the charging bank, and the other end is a WiFi power cord, usually a Micro USB or Type-C port, which can be plugged into the interface of the WiFi device to power it. This charging cable is a common electronic accessory that can easily charge a variety of devices, such as mobile phones, tablets, Bluetooth headsets, cameras, etc. When using, it is necessary to select the appropriate specifications to ensure that the voltage and current of the charging cable meet the requirements of the device, so as not to damage the device or the charging cable itself.
The WiFi power cable connected to the charging bank is generally called the charging cable or data cable. It is a cable that connects a device and a charging bank, usually consisting of a USB interface and a charging head. This cable can realize data transmission and charging functions by connecting charging banks and devices, such as connecting mobile phones, tablets, e-book readers and other devices. Under normal circumstances, the charging cable and the data cable can be compatible with each other, but you need to pay attention to the output power of the charging cable and the input power of the device when purchasing.
I think it's called a usb power cable