Support 10 or 100 or 1000 Mbps auto-sensing function USB 3.0 interface Backward compatible with USB 2.0 Support uto MDIX (straig ht and cross network cable automatic detection Support 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 or 1.x computer systems (speed limited by USB bus), making it the perfect portable replacement network adapter or laptop accessory. For Chromebook, Macbook Air, Windows, Android Tablets. The Gigabit Ethernet Adapter adds an RJ45 Ethernet port to a USB-enabled computer system that supports Gigabit networking with a bandwidth of 1000Mps. IEEE 802.3, 802.3u and 802.3ab (10 Base-T, 100Base-TX and 1000Base-T.) Compatible Support full-duplex and half-duplex operation of Fast Ethernet Support Jumbo packets up to 9 KB Supports suspend mode and remote wake up via links and magic packs Plug and play installation System Requirements: Windows XP or Vista or Windows 7 or Windows 8.11 or Windows 10 or Macintosh OSX 10.6 or 10.7 Available USB ports (Preferred USB3.0 port) Input interface: RJ45 to network cable Output Interface: USB 3.0 to the computer Colour:black Material:ABS Package Contents: 1 x USB 3.0 to Gigabit LAN Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.