USB 3.0 2-Port Hub & Gigabit Ethernet Adapter 2 in 1 USB Adapter. This light and compact gadget add 2 additional USB 3.0 ports to your devices for the simultaneous use of a variety of USB devices. This is also a Gigabit Ethernet Adapter - Meanwhile, this light and compact gadget add Gigabit Ethernet network connectivity to your ultrabook, Chromebook, laptop, or desktop, ensuring you up to 1000Mbps reliable wired network connection. This user-friendly gadget supports Plug and Play feature that enables a user to use it by simply connecting it to an available USB port without manual driver installation. Utilizing advanced chipset solution, this reliable gadget ensures you fast and stable connection in Windows, Mac OS X, Chrome OS, and Linux OS.