MAIN FEATURES: Mobile Hotspot Router has a SIM slot and a 3200 mAh battery. It can work with external power supply, no working time limit. It can be charged through computer USB port, car USB charger, power supply.USING METHOD: Insert the SIM and install the battery. Even if your SIM is compatible with the hotspot device, it may not be plug and play, you may need to disable the PIN code of the SIM and modify the APN.CONNECT UP TO 10 DEVICES: 4G LTE Portable Hotspot can connect up to 10 devices at the same time, supporting smartphones, tablets, laptops, etc. The effective distance of can get to 10m/32.8ft.5G HOTSPOT: Portable mobile does not require a broadband connection, just a 3G 4G SIM to connect to a 5G network. It provides extremely fast internet speed for your device even when there is no 5G network.300MBPS HIGH SPEED: Unlocked 5G supports LTE CAT4 standard with 300Mbps high speed internet access, mainly depending on the strength. Supports network bands B1/2/3/5/7/8/20/40.