Professional Design: It is a modem router. You don't need to connect to broadband, as long as you have a 4G 5G SIM card, you can connect to the network. It is a backward compatible hotspot device that provides extremely fast internet speeds for your devices even without a 5G network. High-speed Internet: Supports LTE CAT4 standard, 300Mbps high-speed internet, but it mainly depends on the power. It has a SIM card slot and a 2100mAh battery. It can be used with an external power supply without working time limitations. It can be charged via a computer USB port, a mobile power supply, a USB car charger, a power supply. If it works for a long time, heat dissipation is required. Network Bands: This 4G LTE USB modem supports the FDD LTE B1 B3 B5 B7 B8, 20 40 41 network bands. It can connect to 10 devices at the same time and supports smartphones, tablets, laptops, etc. The effective distance is up to 10 meters. One person owns it and the whole family shares it. How to use: Insert the SIM card and press the power button to turn on the router. Even if your SIM card is compatible with the hotspot device, it may not be plug-and-play, you may need to disable the SIM card PIN and change the APN. Enter the router IP address: 192.168.100.1 Click Network APN Enable. Change the APN. Make sure the SIM card is active. Color: White Material: Plastic Package Contents: 1 * Pocket Wifi Router The above package content only, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.