MAIN FEATURES: Portable has a SIM slot and a 3200 mAh battery. It can work external power supply, no working time limit. It can be charged through computer port, car charger, power supply.USING METHOD: Insert the SIM and install the battery. Even if your SIM is compatible 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.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.APPLICABLE SCENARIOS: 4G LTE modem is small and lightweight, suitable for party, travel, business trip, work, outdoor live streaming, playing games, car , etc.CONNECT UP TO 10 DEVICES: 4G LTE portable 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.