TP-LINK TL-WDN3200 N600 Dual Band Wireless USB Adapter, 2.4GHz 300Mbps/5Ghz 300Mbps, One-Button Setup, Support Windows XP/Vista/7/8 (Certified Refurbished) This Certified Refurbished product is tested & certified by TP-LINK to look and work like-new. The product includes all original accessories, and is backed by a 90-day warranty. Wireless N adapter for PCs and laptops / Ideal for lag-free HD video streaming and online gaming 600Mbps Wi-Fi speeds with simultaneous 5GHz (300Mbps) and 2.4GHz (300Mbps) bands Compact design and 3ft. cable for easy desktop placement / Connects to PCs via USB port WPS button for easy wireless security encryption