High quality and
3-in-1 dual functionality: Three USB 3.0 ports and one 10/100/1000M  Gigabit Ethernet Adapter;
Fast  and stable: These USB 3.0 ports elevate data transfer speeds up to 5Gbps  (or 10 X faster than USB 2.0!); Gigabit Ethernet achieves 1000 Mbps  operation, providing a faster, more stable connection than Wi-Fi.
Smart and energy-efficient: Fully supports crossover detection and  auto-correction, Wake-on-LAN power management and remote control;  supports IEEE 802.3az (Energy Efficient Ethernet);
Extensive compatibility: Compliant with USB3.0, 2.0 and 1.1  specifications; support Win 8/7/Vista/XP and Mac OS X 10.8 and  higher; supports full duplex operation with IEEE 802.3x flow control and  half duplex operation with back-pressure flow control.

Specification:

Cable  length: About 30cm
Dimensions: About 11cm * 3cm * 2cm
Body Material: Hight quality ABS plastic
Interface Type: USB3.0 AM, RJ45
Transmission speed: 10/100/1000Mbps
System Support: Win 2000/2003/XP/7/8/Vista(32/64bit),MAC OS X,Linux
Environment: Operating temperature 0-85, relative humidity 5-90; storage  temperature -10-95, relative humidity 0-90
Features: supports 1000M Ethernet, hot swappable, support the transmission of  data HUB 3

Package include:
1x USB  3.0 Ethernet Wired Network Adapter

Please Note  : This items send out without retail Package