Yes, the portable router BL-720G is very convenient, can meet you can be used as a charging bank, can also be used as a router. You can directly connect the network cable can also plug in the 3G network card oh, anytime, anywhere WiFi.
No portable WIFI can be directly plugged into the power supply to use. Because the portable WIFI is actually just a wireless network card, a WIFI hotspot is established through the wireless network card, allowing other devices to transfer to the Internet through the network of the device where the portable WIFI is located.
Plug in the power to use the wireless signal and can access the Internet, should be similar to the wireless router on the network card, that is, the wireless router uses the SIM to access the Internet, while providing WIFI signals for other devices to use.
Portable wifi with 5 Ann charger can be above, general portable wifi with 2 Ann charger with a mobile phone is barely ok, if you take more than 4 to 5 terminal devices, 2 Ann charger will not work, you should use 5 Ann charger, otherwise the power supply is not available, wifi signal transmission distance will be shortened, the terminal device will be stuck phenomenon.
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Portable micro-flushing can be; There are three kinds of mobile phone charging heads, which are Apple's lightning interface, reversible and pluggable type c interface, and micro USB interface. Mobile phone chargers can be roughly divided into travel chargers, seat chargers, USB chargers and maintenance chargers, and the latest is a mobile phone case charger
The wifi carried with you normally has a usb interface, and you can use a mobile phone charger or a charging bank to charge the wifi directly