Feature: 1. With SIM Card Slot: A WiFi modem router. With a 4G SIM card, you can connect to the network, a backward compatible WiFi hotspot device that provides your device with extremely fast internet speeds even without a 4G network. 2. USB Charging: Built in 2100mAh battery, can be used continuously for more than 8 hours. It can work with external power supply and can be charged via computer USB port, power bank, power supply, etc. If the WiFi dongle works for a long time, it needs to dissipate heat. 3. Network Band: 4G LTE USB modem supports network band: FDD LTE: B1, B3, B5, TDD LTE: B40, 3G WCDMA: B1. Compact and lightweight, suitable for partying, traveling, business trip, work, outdoor live broadcasting, playing games, car WiFi and so on. 4. High Speed: Portable WiFi supports LTE CAT4 standard, 300Mbps high speed Internet access, but it mainly depends on the strength of the signal. It can connect 10 devices at the same time, support smartphones, tablets, laptops, etc. The effective distance of WiFi can up to 10m/32.8ft. 5. How To Use: Insert SIM card and press the power on button to turn on the router, even if your SIM card is compatible with the hotspot WIFI device, it may not be plug and play, you may need to disable the PIN code of the SIM card and modify the APN . Enter the IP address of the router: 192.168.100.1, click Network, APN, Enable. modify APN. Make sure the SIM card is activated. Specification: Item Type: 4G LTE Portable WiFi Material: ABS Color: White Size: Approx. 10 x 6 x 1cm / 3.9 x 2.4 x 0.4in Battery: Lithium Polymer Battery (Included), Capacity: 2100mAh SIM Card Slot: 1 x Micro SIM Card (SIM Card Not Included) 4G LTE Bands: FDD LTE: B1, B3, B5, B7, B8, TDD LTE: B40, 3G WCDMA: B1 Sharing: Up to 10 Users Power Input Interface: USB C WiFi: 802.11 b, g, n 2x2 up to 300Mbps USB Internet Use: Insert the router into the computer's USB port, wait 45-50 seconds, the computer will automatically connect to the internet, the device will automatically install the driver and connect to internet. Package List: 1 x 4G LTE Portable WiFi1 x Battery 1 x USB Cable 1 x User Manual Note: 1. Please remove the battery film before use.2. Manual measurement, please allow some errors.