Welcome to our store! USB PORT: The USB WiFi modem is powered by devices with USB ports and functions as a WiFi router, such as mobile phone chargers, car chargers, and power banks. It can also be connected to a computer's USB port to function as a USB modem. Plug and play, no CD driver needed. SUPPORT DEVICES: The 4G LTE USB WiFi modem supports simultaneous internet access for multiple terminals, supporting 10 devices: mobile phones, tablets, laptops, computers, smart TVs, and other devices to access the internet. Supports 10 WiFi users. Supports multiple languages. SIM CARD SLOT: The portable 4G router uses a micro SIM in USB technology, providing fast and stable high-speed internet access, a high-speed 4G network, and a stable signal. Experience amazing network life. SIM card not included. 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. SAFE TO USE: The 4G mobile WiFi has multiple protections, making it safer. It uses WPA and WPA2 WiFi encryption, advanced wireless work security, effectively avoiding network theft, and supports data control. Item Type: USB WiFi Modem Product Material: ABS Color: White Type: Insert Card Card Slots: 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 Package List: 1 x USB WiFi Modem 1 x User Manual Satisfaction Guaranteed: Customers are our top priority. If you find any problem with the product, please contact the seller immediately. We strive to provide satisfactory customer service after purchase.