It is a mobile router (often called a "Wi-Fi pebble") that uses a SIM card to connect to the mobile network (3G/4G) and create a local Wi-Fi hotspot.
• It allows you to share the Internet connection with multiple devices simultaneously, such as smartphones, tablets, and PCs.
• It works both plugged directly into the power supply and with an internal battery with a 4h duration.
• It features a display to view the connection status and battery, and a power button.