The Android USB Ethernet RNDIS Gadget Windows driver enables a Windows computer to recognize and interact with an Android device when connected via USB, allowing the Android device to function as a network adapter. This driver allows the Android device to use the RNDIS (Remote Network Driver Interface Specification) protocol to share its internet connection or local network with the connected Windows PC.

When you connect an Android device to a Windows PC via USB for tethering or data sharing, the Android device often appears as an Ethernet device to the computer. The Android USB Ethernet RNDIS Gadget driver is necessary for this to work, as it enables Windows to establish a network connection with the Android device over USB.