Spigen USB Ethernet Adapter Hub with 3 USB 3.0 Ports 3 Port 10/100/1000 Gigabit Ethernet Converter USB 3.0 and Ethernet Hub Adapter for Windows, Mac OS X, Linux, MacBook, Chromebook and More No external power adapter, wires, or cables needed Enjoy data transfer rates of up to 5Gbps for faster sync times USB 3.0 Type A Male supports speeds of up to 10/100/1000 Mbps Ethernet Completely powered via USB with LED lights to reflect its connectivity Supports Windows (32/64 bit) 10 / 8 / 7 / Vista / XP, Mac OS 10.5 or higher; Driver-free for Mac OS.