The product has a wireless transmission function, suitable for sharing Internet access with multiple wifi devices without a wireless router. Standard: IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACK — Plug this product into the USB interface of a computer that can access the Internet, the device will automatically emit wifi signals, so that desktop computers, laptops, tablets etc with wireless network cards, wifi-enabled.Allows you to connect a desktop or notebook computer