The Green Lion Portable MiFi Router is a compact, battery-powered device that turns a 4G LTE cellular signal into a personal Wi-Fi hotspot, supporting up to 10 devices with Wi-Fi 6 for fast speeds (up to 150Mbps) and featuring a 3000mAh battery for 10-12 hours of use, easy setup, a TFT HD screen, USB-C charging, and Nano SIM support for on-the-go internet for travel or work.