Describe: Function: Wireless access works with 3G, 4G and Wi-Fi networks. Convenient and portable, 4GDONG001 is easy to use and stylish. High-speed internet connection for office and home. It can also be used with laptops, notebooks, UMPCs and MID devices. Just insert the SIM card to work as a wireless router, no installation required. Brand new 100% high quality Product name: 4g wireless router mobile portable wifi material: plastic Dimensions: as the picture shows Color: as the picture shows Features: Driverless Instructions: 1. Press down the cover flap. 2. Insert the SIM card with the core down. 3. Connect the USB port to the WiFi 4 power. Connected to WiFi, you can surf the Internet. 5. Connect to WIFI, open the website of the product in the browser to enter the background, the background can change the WIFI name and password to add APN. Include: 1*mobile portable wifi