Supports 10/100/1000 Mbps auto-sensing function USB 3.0 interface Backward compatible with USB 2.0 Supports MDIX (straight-through and crossover cable automatic detection) Supports USS full speed and high speed mode and bus power capability This compact USB 3.0 network adapter is backward compatible with older USB 2.0 / 1.x computers (speed limited by USB bus), making it the perfect portable replacement network adapter or laptop accessory. Ideal for Chromebooks, Windows, and Android Tablets. The Gigabit Ethernet adapter adds an RJ45 Ethernet port to any USB-enabled computer system, supporting Gigabit networking with a 1000 Mbps bandwidth. IEEE 802.3, 802.3u, and 802.3ab compatible (10 Base-T, 100 Base-TX, and 1000 Base-T). Supports full-duplex and half-duplex operation of Fast Ethernet. Supports Jumbo packets up to 9 KB. Supports suspend mode and remote wake-up via link-change and magic packets. Plug and play installation. System Requirements: Windows XP / Vista or Windows 7 or Windows 8.1 or Macintosh OSX 10.6 / 10.7 Available USB ports (USB 3.0 port preferred) Input Interface: RJ45 to network cable Output Interface: USB 3.0 to computer Color: Black Material: ABS Package Contents: 1 x USB 3.0 to Gigabit LAN Card (Other products are not included.) Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real item. The allowed measurement error is +/- 1-3 cm.