The ultra-compact design of the N150 Micro Wireless USB (Universal Serial Bus) Adapter makes it easy to connect to your laptop or netbook & go. It's so small you can easily leave it connected to your computer. Connect your computer to your modem or router without any cables. Simply insert the setup CD, run the software setup & plug the adapter into a USB (Universal Serial Bus) port on your computer, & you're ready to connect to the Internet from anywhere in your home.