KCRIUS(TM) 2.0 USB to Ethernet LAN Adapter, USB 2.0 to Gigabit Ethernet NIC Network Adapter Full Gigabit bandwidth support, through a USB 2.0 host connection Highly portable design, with no need for an external power adapter Full Gigabit bandwidth support over USB 2.0 USB-Powered Crossover Detection & Auto-Correction (Auto MDIX)