Pocket Wireless Portable Mini Wifi USB Wifi spot Router #2 Black Interface:USB 2.0 Pair the wifi signal. Enjoy internet access on your mobile device. Operating System Support:Windows XP, Windows Vista 32/64, Windows 7 32/64, Windows8 Size:3cm x 1.6cm x 0.8cm-1.18inch x 0.63inch x 0.31inch.