Connects USB port on computer, notebook or Ultrabook(TM) to wired Ethernet network; Ensures full 10/100/1,000Mbps network speeds; Compatible with Windows(R), Mac(R) & Linux(R) operating systems; Plug & play–no drivers or external power supply needed; Fits easily into pocket, backpack, briefcase or notebook bag; LEDs indicate power, network connection & data transfer; RoHS compliant; 1-year warranty;