Product Specification: Chassis Aluminum Alloy + ABS Plastic Network Adapter Rj45 Gigabit Ethernet Data Cable 1.6Ft / 0.5M+ 1Ft. / 0.3M (A TO A & A TO C) Cord Dimension 69.00 x 28.00mm Supported Devices Super Pole, Laptop, Desktop and Other Devices with Ethernet Port Easy to get wired network Especially for Ultrabook, MacBook, tablet Network card interface of desktop broken? Super-slim Ultrabook cuts down network port? Don't worry! Only one USB port makes your device connect wired network, and applicable for MacBook Air, Surface, Ultrabook and other devices without network card. Double high-speed transmission Gigabit Ethernet, always quick Combine SuperSpeed Usb3.0 with Usb3.0 to 10/100/1000 Ethernet, which lets you easily enjoy fast and smooth HD games or videos, accesses Ipv6 and streaming media. Advanced controller - Rtl8153 Low consumption, excellent performance Built in advanced Rtl8153 controller, SuperSpeed Usb3.0 makes consumption lower, powerful Rj45 Gigabit Ethernet makes performance more excellent. Full duplex / half-duplex mode Self-adjust different network environments Support backpressure routing and Ieee 802.3 flow control for full-duplex (Fdx) and half-duplex (Hdx) systems, support Ipv4 / Ipv6 net, examine and correct transferring data. Work with Type-C port Meet more requirements Considering your requirements, besides a Usb3.0 data cable, Arl-U3 is equipped with a Type-C data cable to match your MacBook and Ultrabook, convenient and thoughtful. Mac style of minimalism, unique design Column shape, 360°beauty 1mm thick aluminum alloy chassis, whose two sides adopt CD stripe design, is processed by anodic oxidation, column shape and laser etching logo, the same as Mac products, perfectly matches with your Ultrabook, Mac and large smartphone. Compatible with multiple devices without network card Considerate design for users Applicable for replacement of broken desktop network port, compatible with MacBook Air, Surface, Ultrabook, MiBox, Lenovo Yoga series and so on. Easy to carry Thanks to separating data cable design, respectively store or carry USB cable and adapter when not used or outside; small cylinder design makes it easy to match desktop or go outside; two pairs white and blue locating rings fix it on your desktop.