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. More Info

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Simply plug your Ethernet cable into the RJ-45 connector - no external power is required. It's small, light, easy to install, and even easier to use.