Mini USB Wireless Computer Network Router Dongle Internet Adapter WI-FI 150Mbps #4 Features a sleek compact design that fits into your computer's USB port with minimal protrusion making it ideal for use when traveling or in a crowded workspace. Adding Wireless-N to your computer provides an excellent solution for performing everyday activities such as transferring files, browsing the Internet, and downloading music. Operation systems: WIN2K, XP, VISTA, WIN7, MAC, LINUX. Interface: USB 2.0 Network protocol supported: CSMA/CA with ACK