Features: 1.USB PORT: USB WiFi modem is powered by devices with USB ports and works as a WIFI router, such as cell phone chargers, car chargers, and mobile power. Can also be plugged into a computer USB port to work as a USB modem. Plug and play, no need to install CD driver. 2.SUPPORT DEVICES: 4G LTE USB WiFi modem supports multi terminal simultaneous Internet access, supporting 10 devices: cell phones, tablets, laptops, computers, smart TVs and other devices to access the Internet. Support 10 WiFi users. Support multinational languages. 3.SIM CARD SLOT: Portable 4G router adopts micro SIM in USB technology, fast and stable high speed Internet access, high speed 4G network, stable signal, feel the wonderful network life. SIM card is not included. 4.WORLDWIDE UNIVERSAL: 4G LTE FDD LTE: B1/2/3/4/5/7/8/20/28/66(2100/1900/1800/1700/850/2600/900/800/700MHz), TDD LTE: B38/40/41(2600 /2300/2500MHz), can be used in countries around the world . 5.SAFE TO USE: 4G mobile WiFi has multiple protection, more secure, using WPA and WPA2 WiFi encryption, advanced wireless work security, effectively avoid network robbery, support data control. specification:Item Type: USB WiFi Modem Product Material: ABS Color: White Type: Insert Card Card Slot: Micro SIM Card (not Included) FDD LTE: B1/2/3/4/5/7/8/20/28/66(2100/1900/1800/1700/850/ 2600/900/800/700MHz) TDD LTE: B38/40/41(2600/2300/2500MHz) Sharing: Up to 10 Users PackageList:1 x USBWiFiModem 1 x Instruction Manual NotePlease make sure your computer's antivirus or firewall allows the USB modem driver installation, otherwise it will not work as a USB modem.