Apple USB Ethernet Adapter Easily connect your MacBook Air computer to an Ethernet network with the Apple USB Ethernet Adapter. Small and light, it connects to the USB 2.0 port of your MacBook Air and provides an RJ-45 connector that supports 10/100BASE-T performance. Specifications: USB 2.0 with bus power 10/100BASE-T (RJ-45 connector) What's in the Box Apple USB Ethernet Adapter with built-in 4.6-inch USB cable User's Guide System Requirements MacBook Air computer with available USB 2.0 port