The USB to Ethernet adapter supports 10/100/1000 Mbps. The USB 3.0 port can be backward compatible with both USB 2.0 and USB 1.1. The USB Ethernet adapter supports Plug and Play. The Ethernet USB adapter is powered by the RJ45 Ethernet cable and USB 3.0 devices. Does not require driver or software installation. The Ethernet to USB adapter is compatible with Windows 8.1/8/7/Vista/XP, OSX 10.6/10.7/10.8/10.9/10.10/10.11/10.12, Linux 3.x/2.6, and Chrome OS. The RJ45 port is suitable for your Ultrabook, notebook, or Air for file transfer, video conferencing, gaming, and HD video streaming. Note: Does not support Windows RT and Android and is NOT compatible with . Compatible with IEEE 802.3, IEEE 802.3u, and IEEE 802.. Supports IEEE 802.3az. When the USB Gigabit Ethernet adapter is connected, the green LED indicator lights up continuously for connection, and the yellow LED indicator flashes for data transfer. Low power consumption, no external power supply. The USB network adapter is portable for use at home/office/travel. Color: Black Material: ABS Package Contents: 1 x Adapter Cable Only the above package content, other items are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real one. The allowed measurement error is +/- 1-3 cm.