USB 2.0 ETHERNET ADAPTOR for Laptops & Ultrabooks This lightweight USB to network adapter is a perfect accessory for adding a standard RJ45 port to your Ultrabook, notebook, or Macbook Air for file transferring, video conferencing, gaming, and HD video streaming Leveraging the high-bandwidth of SuperSpeed USB 3.0 interface at up to 5 Gbps, this USB 3.0 to Ethernet adapter future-proofs your network connection with 1000 Mbps Ethernet while maintains a backwards compatibility with 10/100 Mbps Ethernet Wired USB Ethernet connection is faster and more reliable than wireless network. This Ethernet to USB adapter is compatible with Windows 8.1/8/7/Vista/XP, Mac OSX 10.6/10.7/10.8/10.9/10.10, and Chrome OS with latest system updates. Does not support Windows RT or Android Buy with confidence! 3SIXT two year warranty 3SIXT - From connecting you, to protecting you, charging you, supporting you, activating you or equipping you - we've got everything you need to enhance the possibilities of your device.