Description: 100 percent brand new and high quality This USB 3.0 network adapter is backwards compatible with an older USB 2.0 Support uto MDIX (automatic detection of straight and cross network cable) Support high speed and high speed USS mode and bus power capability Supports full duplex and half duplex fast Ethernet operation Supports Jumbo packets up to 9KB Support suspend mode and remote wake up via links and magic packs Ready to use installation Ideal portable replacement network adapter or laptop accessory. Specification: Black color Transmission rate: 10 or 100 or 1000 Mbps Input interface: RJ45 to network cable Output interface: USB 3.0 computer side Compatible for: IEEE 802.3, 802.3u and 802.3ab (10 base-t, 100Base-TX and 1000Base-T.) Supported System: Windows XP or 7 or 8.11 or 10 or Vista or Macintosh OSX 10.6 or 10.7 Package Included: 1 x network adapter