I'm selling my USB wifi adapter, I used it for a while, but no longer need. It's great for older laptops that have slow wifi cards or new desktops that don't have wifi built in.

the orginal item is here
https://www.amazon.com/TP-Link-Wireless-Adapter-Archer-T2UH/dp/B00UZRVY12/ref=sr_1_1?s=pc&ie=UTF8&qid=1488754648&sr=1-1&keywords=tp+link+ac+600