USB 2.0 Male to Fast Ethernet Network RJ45 Female Converter 10/100mbps Adapter for Macbook - White USB 2.0 to Ethernet LAN RJ45 network card adapter for MacBook ----MacBook, MacBook Air and MacBook Pro notebooks ----iMac, Mac Mini and Mac Pro desktops, Xserve servers Supports 10/100Mbps auto-sensing capability, Enable to connect to the internet via the USB port Compliant with IEEE 802.3 (10Based-T) and 802.3u (100Based-TX) standards Support both full-duplex and half-duplex operations Plug & Playing installation